2868 lines
78 KiB
C++
2868 lines
78 KiB
C++
// WIA.cpp: implementation of the CWIA class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "CWIA.h"
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#ifdef _DEBUG
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#undef THIS_FILE
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static char THIS_FILE[]=__FILE__;
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#define new DEBUG_NEW
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#endif
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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/**************************************************************************\
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* CWIA::CWIA
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*
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* Constructor for WIA object
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 4/20/1999 Original Version
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*
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\**************************************************************************/
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CWIA::CWIA()
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{
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//
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// initialize members
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//
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m_pIWiaDevMgr = NULL;
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m_pRootIWiaItem = NULL;
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m_pDIB = NULL;
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m_FileName = "image.bmp";
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m_bMessageBoxReport = TRUE;
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m_ApplicationName = "WIA - Error Return";
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//
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// Initialize the Enumerator POSITIONS
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//
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m_CurrentActiveTreeListPosition = NULL;
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m_CurrentDeviceListPosition = NULL;
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m_CurrentFormatEtcListPosition = NULL;
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m_CurrentItemProperyInfoListPosition = NULL;
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m_hPreviewWnd = NULL;
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}
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/**************************************************************************\
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* CWIA::~CWIA()
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*
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* Destructor, deletes allocated lists, and Releases Interface pointers
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*
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*
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* Arguments:
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*
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* none
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*
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* Return Value:
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*
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* none
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*
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* History:
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*
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* 4/20/1999 Original Version
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*
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\**************************************************************************/
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CWIA::~CWIA()
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{
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//
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// delete all Lists, and release Interface pointers
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//
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Cleanup();
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}
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/**************************************************************************\
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* CWIA::StressStatus
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*
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* Reports status to user via status list box
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*
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* Arguments:
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*
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* status - CString value to be displayed in the list box
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*
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* Return Value:
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*
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* void
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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void CWIA::StressStatus(CString status)
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{
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OutputDebugString(status + "\n");
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}
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/**************************************************************************\
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* CWIA::StressStatus
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*
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* Reports status, and hResult to user via status list box
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*
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* Arguments:
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*
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* status - CString value to be displayed in the list box
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* hResult - hResult to be translated
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*
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* Return Value:
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*
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* void
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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void CWIA::StressStatus(CString status, HRESULT hResult)
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{
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CString msg;
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ULONG ulLen = MAX_PATH;
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LPTSTR pMsgBuf = (char*)LocalAlloc(LPTR,MAX_PATH);
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//
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// attempt to handle WIA custom errors first
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//
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switch (hResult) {
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case WIA_ERROR_GENERAL_ERROR:
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sprintf(pMsgBuf,"There was a general device failure.");
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break;
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case WIA_ERROR_PAPER_JAM:
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sprintf(pMsgBuf,"The paper path is jammed.");
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break;
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case WIA_ERROR_PAPER_EMPTY:
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sprintf(pMsgBuf,"There are no documents in the input tray to scan.");
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break;
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case WIA_ERROR_PAPER_PROBLEM:
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sprintf(pMsgBuf,"There is a general problem with an input document.");
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break;
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case WIA_ERROR_OFFLINE:
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sprintf(pMsgBuf,"The device is offline.");
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break;
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case WIA_ERROR_BUSY:
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sprintf(pMsgBuf,"The device is busy.");
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break;
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case WIA_ERROR_WARMING_UP:
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sprintf(pMsgBuf,"The device is warming up.");
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break;
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case WIA_ERROR_USER_INTERVENTION:
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sprintf(pMsgBuf,"The user has paused or stopped the device.");
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break;
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case WIA_ERROR_ITEM_DELETED:
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sprintf(pMsgBuf,"An operation has been performed on a deleted item.");
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break;
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case WIA_ERROR_DEVICE_COMMUNICATION:
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sprintf(pMsgBuf,"There is a problem communicating with the device.");
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break;
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case WIA_ERROR_INVALID_COMMAND:
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sprintf(pMsgBuf,"An invalid command has been issued.");
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break;
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default:
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//
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// free temp buffer, because FormatMessage() will allocate it for me
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//
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LocalFree(pMsgBuf);
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ulLen = 0;
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ulLen = ::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, hResult, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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(LPTSTR)&pMsgBuf, 0, NULL);
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break;
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}
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if (ulLen) {
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msg = pMsgBuf;
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msg.TrimRight();
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LocalFree(pMsgBuf);
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} else {
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// use sprintf to write to buffer instead of .Format member of
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// CString. This conversion works better for HEX
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char buffer[255];
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sprintf(buffer,"hResult = 0x%08X",hResult);
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msg = buffer;
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}
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StressStatus(status + ", " + msg);
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if (m_bMessageBoxReport)
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MessageBox(NULL,status + ", " + msg,m_ApplicationName,MB_OK|MB_ICONINFORMATION);
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}
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/**************************************************************************\
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* CWIA::ReadPropStr
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*
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* Reads a BSTR value of a target property
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*
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*
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* Arguments:
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*
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* propid - property ID
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* pIWiaPropStg - property storage
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* pbstr - returned BSTR read from property
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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HRESULT CWIA::ReadPropStr(PROPID propid,IWiaPropertyStorage *pIWiaPropStg,BSTR *pbstr)
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{
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HRESULT hResult = S_OK;
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PROPSPEC PropSpec[1];
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PROPVARIANT PropVar[1];
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UINT cbSize = 0;
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*pbstr = NULL;
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memset(PropVar, 0, sizeof(PropVar));
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PropSpec[0].ulKind = PRSPEC_PROPID;
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PropSpec[0].propid = propid;
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hResult = pIWiaPropStg->ReadMultiple(1, PropSpec, PropVar);
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if (SUCCEEDED(hResult)) {
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if (PropVar[0].pwszVal) {
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*pbstr = SysAllocString(PropVar[0].pwszVal);
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} else {
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*pbstr = SysAllocString(L"");
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}
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if (*pbstr == NULL) {
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StressStatus("* ReadPropStr, SysAllocString failed");
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hResult = E_OUTOFMEMORY;
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}
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PropVariantClear(PropVar);
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} else {
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CString msg;
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msg.Format("* ReadPropStr, ReadMultiple of propid: %d, Failed", propid);
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StressStatus(msg);
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}
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return hResult;
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}
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/**************************************************************************\
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* CWIA::WritePropStr
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*
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* Writes a BSTR value to a target property
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*
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*
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* Arguments:
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*
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* propid - property ID
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* pIWiaPropStg - property storage
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* pbstr - BSTR to write to target property
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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HRESULT CWIA::WritePropStr(PROPID propid, IWiaPropertyStorage *pIWiaPropStg, BSTR bstr)
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{
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HRESULT hResult = S_OK;
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PROPSPEC propspec[1];
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PROPVARIANT propvar[1];
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propspec[0].ulKind = PRSPEC_PROPID;
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propspec[0].propid = propid;
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propvar[0].vt = VT_BSTR;
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propvar[0].pwszVal = bstr;
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hResult = pIWiaPropStg->WriteMultiple(1, propspec, propvar, MIN_PROPID);
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return hResult;
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}
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/**************************************************************************\
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* CWIA::WritePropLong
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*
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* Writes a LONG value of a target property
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*
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*
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* Arguments:
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*
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* propid - property ID
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* pIWiaPropStg - property storage
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* lVal - LONG to be written to target property
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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HRESULT CWIA::WritePropLong(PROPID propid, IWiaPropertyStorage *pIWiaPropStg, LONG lVal)
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{
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HRESULT hResult;
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PROPSPEC propspec[1];
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PROPVARIANT propvar[1];
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propspec[0].ulKind = PRSPEC_PROPID;
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propspec[0].propid = propid;
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propvar[0].vt = VT_I4;
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propvar[0].lVal = lVal;
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hResult = pIWiaPropStg->WriteMultiple(1, propspec, propvar, MIN_PROPID);
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return hResult;
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}
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/**************************************************************************\
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* CWIA::ReadPropLong
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*
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* Reads a long value from a target property
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*
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*
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* Arguments:
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*
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* propid - property ID
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* pIWiaPropStg - property storage
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* plval - returned long read from property
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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HRESULT CWIA::ReadPropLong(PROPID propid, IWiaPropertyStorage *pIWiaPropStg, LONG *plval)
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{
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HRESULT hResult = S_OK;
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PROPSPEC PropSpec[1];
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PROPVARIANT PropVar[1];
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UINT cbSize = 0;
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memset(PropVar, 0, sizeof(PropVar));
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PropSpec[0].ulKind = PRSPEC_PROPID;
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PropSpec[0].propid = propid;
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hResult = pIWiaPropStg->ReadMultiple(1, PropSpec, PropVar);
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if (SUCCEEDED(hResult)) {
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*plval = PropVar[0].lVal;
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}
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return hResult;
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}
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/**************************************************************************\
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* CWIA::WritePropGUID
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*
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* Writes a GUID value of a target property
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*
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*
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* Arguments:
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*
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* propid - property ID
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* pIWiaPropStg - property storage
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* guidVal - GUID to be written to target property
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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HRESULT CWIA::WritePropGUID(PROPID propid, IWiaPropertyStorage *pIWiaPropStg, GUID guidVal)
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{
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HRESULT hResult;
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PROPSPEC propspec[1];
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PROPVARIANT propvar[1];
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propspec[0].ulKind = PRSPEC_PROPID;
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propspec[0].propid = propid;
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propvar[0].vt = VT_CLSID;
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propvar[0].puuid = &guidVal;
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hResult = pIWiaPropStg->WriteMultiple(1, propspec, propvar, MIN_PROPID);
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return hResult;
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}
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/**************************************************************************\
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* CWIA::MoveTempFile()
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*
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* Copies the temporary file created by WIA to a new location, and
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* deletes the old temp file after copy is complete
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*
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*
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* Arguments:
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*
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* pTempFileName - Temporary file created by WIA
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* pTargetFileName - New file
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 6/10/1999 Original Version
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*
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\**************************************************************************/
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BOOL CWIA::MoveTempFile(LPWSTR pwszTempFileName, LPCTSTR szTargetFileName)
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{
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char buffer[MAX_PATH];
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sprintf(buffer,"%ws",pwszTempFileName);
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if(CopyFile(buffer,szTargetFileName,FALSE)){
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DeleteFile(buffer);
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}
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else{
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StressStatus(" Failed to copy temp file..");
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return FALSE;
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}
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return TRUE;
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}
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/**************************************************************************\
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* CWIA::IsValidItem
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*
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* Determines if the item is valid is disconnected, or destroyed
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*
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*
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* Arguments:
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*
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* pIWiaItem - target item
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*
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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BOOL CWIA::IsValidItem(IWiaItem *pIWiaItem)
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{
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LONG lType = 0;
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pIWiaItem->GetItemType(&lType);
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if(lType & WiaItemTypeDisconnected)
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return FALSE;
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if(lType & WiaItemTypeDeleted)
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return FALSE;
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return TRUE;
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}
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/**************************************************************************\
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* CWIA::DoIWiaDataBandedTransfer
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*
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* Executes an IWiaData Transfer on an item
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*
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*
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* Arguments:
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*
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* pIWiaItem - target item
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* Tymed - TYMED value
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* ClipboardFormat - current clipboard format
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*
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* Return Value:
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*
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* status
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*
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* History:
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*
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* 2/14/1999 Original Version
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*
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\**************************************************************************/
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HRESULT CWIA::DoIWiaDataBandedTransfer(IWiaItem *pIWiaItem, DWORD Tymed, GUID ClipboardFormat)
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{
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HRESULT hResult = S_OK;
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//
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// Check Item pointer
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//
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if (pIWiaItem == NULL) {
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StressStatus("* pIWiaItem is NULL");
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return S_FALSE;
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}
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if(!IsValidItem(pIWiaItem)) {
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StressStatus("* pIWiaItem is invalid");
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return S_FALSE;
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}
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//
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// set the two properties (TYMED, and CF_ )
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//
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IWiaPropertyStorage *pIWiaPropStg;
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PROPSPEC PropSpec;
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hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage,(void **)&pIWiaPropStg);
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if (hResult != S_OK) {
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StressStatus("* pIWiaItem->QueryInterface() Failed",hResult);
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return hResult;
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} else {
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//
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// Write property value for TYMED
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//
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PropSpec.propid = WIA_IPA_TYMED;
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hResult = WritePropLong(WIA_IPA_TYMED,pIWiaPropStg,Tymed);
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if (SUCCEEDED(hResult))
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StressStatus("tymed Successfully written");
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else
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StressStatus("* WritePropLong(WIA_IPA_TYMED) Failed",hResult);
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//
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// Write property value for SUPPORTED WIA FORMAT
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//
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hResult = WritePropGUID(WIA_IPA_FORMAT,pIWiaPropStg,ClipboardFormat);
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if (hResult == S_OK)
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StressStatus("Format Successfully written");
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else
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StressStatus("* WritePropLong(WIA_IPA_FORMAT) Failed",hResult);
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}
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StressStatus("Executing an idtGetBandedData Transfer...");
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CWaitCursor cwc;
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if (pIWiaItem == NULL) {
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StressStatus("* pIWiaItem is NULL");
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return S_FALSE;
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}
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|
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//
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// get IWiaDatatransfer interface
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//
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IWiaDataTransfer *pIBandTran = NULL;
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hResult = pIWiaItem->QueryInterface(IID_IWiaDataTransfer, (void **)&pIBandTran);
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if (SUCCEEDED(hResult)) {
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//
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// create Banded callback
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//
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IWiaDataCallback* pIWiaDataCallback = NULL;
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CWiaDataCallback* pCBandedCB = new CWiaDataCallback();
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if (pCBandedCB) {
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hResult = pCBandedCB->QueryInterface(IID_IWiaDataCallback,(void **)&pIWiaDataCallback);
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if (hResult == S_OK) {
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WIA_DATA_TRANSFER_INFO wiaDataTransInfo;
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pCBandedCB->Initialize(m_hPreviewWnd);
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ZeroMemory(&wiaDataTransInfo, sizeof(WIA_DATA_TRANSFER_INFO));
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wiaDataTransInfo.ulSize = sizeof(WIA_DATA_TRANSFER_INFO);
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wiaDataTransInfo.ulBufferSize = (GetMinBufferSize(pIWiaItem) * 4);
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hResult = pIBandTran->idtGetBandedData(&wiaDataTransInfo, pIWiaDataCallback);
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pIBandTran->Release();
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if (hResult == S_OK) {
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|
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//
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// Display data (only BMP, and single page TIFF supported so far for display..)
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//
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|
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/*if (ClipboardFormat == WiaImgFmt_UNDEFINED)
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return "WiaImgFmt_UNDEFINED";
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else if (ClipboardFormat == WiaImgFmt_MEMORYBMP)
|
|
return "WiaImgFmt_MEMORYBMP";*/
|
|
if (ClipboardFormat == WiaImgFmt_BMP)
|
|
m_pDIB->ReadFromHGLOBAL(pCBandedCB->GetDataPtr(),BMP_IMAGE);
|
|
else if (ClipboardFormat == WiaImgFmt_MEMORYBMP)
|
|
m_pDIB->ReadFromHGLOBAL(pCBandedCB->GetDataPtr(),BMP_IMAGE);
|
|
/*else if (ClipboardFormat == WiaImgFmt_EMF)
|
|
return "WiaImgFmt_EMF";
|
|
else if (ClipboardFormat == WiaImgFmt_WMF)
|
|
return "WiaImgFmt_WMF";
|
|
else if (ClipboardFormat == WiaImgFmt_JPEG)
|
|
return "WiaImgFmt_JPEG";
|
|
else if (ClipboardFormat == WiaImgFmt_PNG)
|
|
return "WiaImgFmt_PNG";
|
|
else if (ClipboardFormat == WiaImgFmt_GIF)
|
|
return "WiaImgFmt_GIF";*/
|
|
else if (ClipboardFormat == WiaImgFmt_TIFF)
|
|
m_pDIB->ReadFromHGLOBAL(pCBandedCB->GetDataPtr(),TIFF_IMAGE);
|
|
/*else if (ClipboardFormat == WiaImgFmt_EXIF)
|
|
return "WiaImgFmt_EXIF";
|
|
else if (ClipboardFormat == WiaImgFmt_PHOTOCD)
|
|
return "WiaImgFmt_PHOTOCD";
|
|
else if (ClipboardFormat == WiaImgFmt_FLASHPIX)
|
|
return "WiaImgFmt_FLASHPIX";
|
|
else
|
|
return "** UNKNOWN **";*/
|
|
|
|
|
|
StressStatus("IWiaData Transfer.(CALLBACK)..Success");
|
|
} else
|
|
StressStatus("* idtGetBandedData() Failed", hResult);
|
|
pCBandedCB->Release();
|
|
} else
|
|
StressStatus("* pCBandedCB->QueryInterface(IID_IWiaDataCallback) Failed", hResult);
|
|
} else
|
|
StressStatus("* pCBandedCB failed to create..");
|
|
} else
|
|
StressStatus("* pIWiaItem->QueryInterface(IID_IWiaDataTransfer) Failed", hResult);
|
|
return hResult;
|
|
}
|
|
|
|
/**************************************************************************\
|
|
* CWIA::GetMinBufferSize
|
|
*
|
|
* Returns the minimum buffer size for an Item transfer
|
|
*
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* buffer size
|
|
*
|
|
* History:
|
|
*
|
|
* 6/21/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
long CWIA::GetMinBufferSize(IWiaItem *pIWiaItem)
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
long MINBufferSize = 65535;
|
|
IWiaPropertyStorage* pIWiaPropStg = NULL;
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage,(void **)&pIWiaPropStg);
|
|
if (SUCCEEDED(hResult)) {
|
|
if (pIWiaPropStg != NULL) {
|
|
hResult = ReadPropLong(WIA_IPA_MIN_BUFFER_SIZE,pIWiaPropStg,&MINBufferSize);
|
|
if (SUCCEEDED(hResult)) {
|
|
// whoopie!
|
|
}
|
|
|
|
//
|
|
// Release IWiaPropertyStorage
|
|
//
|
|
|
|
pIWiaPropStg->Release();
|
|
}
|
|
}
|
|
return MINBufferSize;
|
|
}
|
|
|
|
|
|
/**************************************************************************\
|
|
* CWIA::SetPreviewWindow
|
|
*
|
|
* Sets the target painting preview window
|
|
*
|
|
*
|
|
* Arguments:
|
|
*
|
|
* hWnd - Handle to preview window
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::SetPreviewWindow(HWND hPreviewWindow)
|
|
{
|
|
m_hPreviewWnd = hPreviewWindow;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::DoIWiaDataGetDataTransfer
|
|
*
|
|
* Executes an IWiaData Transfer on an item
|
|
*
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pIWiaItem - target item
|
|
* Tymed - TYMED value
|
|
* ClipboardFormat - current clipboard format
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::DoIWiaDataGetDataTransfer(IWiaItem *pIWiaItem, DWORD Tymed, GUID ClipboardFormat)
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
|
|
//
|
|
// Check Item pointer
|
|
//
|
|
|
|
if (pIWiaItem == NULL) {
|
|
StressStatus("* pIWiaItem is NULL");
|
|
return S_FALSE;
|
|
}
|
|
|
|
if(!IsValidItem(pIWiaItem)) {
|
|
StressStatus("* pIWiaItem is invalid");
|
|
return S_FALSE;
|
|
}
|
|
|
|
//
|
|
// set the two properties (TYMED, and CF_ )
|
|
//
|
|
IWiaPropertyStorage *pIWiaPropStg;
|
|
PROPSPEC PropSpec;
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage,(void **)&pIWiaPropStg);
|
|
if (hResult != S_OK) {
|
|
StressStatus("* pIWiaItem->QueryInterface() Failed",hResult);
|
|
return hResult;
|
|
} else {
|
|
|
|
//
|
|
// Write property value for TYMED
|
|
//
|
|
PropSpec.propid = WIA_IPA_TYMED;
|
|
hResult = WritePropLong(WIA_IPA_TYMED,pIWiaPropStg,Tymed);
|
|
if (SUCCEEDED(hResult))
|
|
StressStatus("tymed Successfully written");
|
|
else
|
|
StressStatus("* WritePropLong(WIA_IPA_TYMED) Failed",hResult);
|
|
|
|
//
|
|
// Write property value for SUPPORTED WIA FORMAT
|
|
//
|
|
hResult = WritePropGUID(WIA_IPA_FORMAT,pIWiaPropStg,ClipboardFormat);
|
|
if (hResult == S_OK)
|
|
StressStatus("Format Successfully written");
|
|
else
|
|
StressStatus("* WritePropLong(WIA_IPA_FORMAT) Failed",hResult);
|
|
|
|
}
|
|
|
|
StressStatus("Executing an IWiaData Transfer...");
|
|
|
|
// get IWiaDatatransfer interface
|
|
IWiaDataTransfer *pIBandTran = NULL;
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaDataTransfer, (void **)&pIBandTran);
|
|
if (SUCCEEDED(hResult)) {
|
|
|
|
STGMEDIUM StgMedium;
|
|
StgMedium.tymed = Tymed;
|
|
StgMedium.lpszFileName = NULL;
|
|
StgMedium.pUnkForRelease = NULL;
|
|
StgMedium.hGlobal = NULL;
|
|
|
|
//
|
|
// create Data callback
|
|
//
|
|
|
|
IWiaDataCallback* pIWiaDataCallback = NULL;
|
|
CWiaDataCallback* pCWiaDataCB = new CWiaDataCallback();
|
|
if (pCWiaDataCB) {
|
|
hResult = pCWiaDataCB->QueryInterface(IID_IWiaDataCallback,(void **)&pIWiaDataCallback);
|
|
if (hResult == S_OK) {
|
|
pCWiaDataCB->Initialize();
|
|
hResult = pIBandTran->idtGetData(&StgMedium,pIWiaDataCallback);
|
|
pIBandTran->Release();
|
|
pCWiaDataCB->Release();
|
|
if (SUCCEEDED(hResult)) {
|
|
if (Tymed == TYMED_HGLOBAL)
|
|
MessageBox(NULL,"HGLOBAL SHOULD BE REMOVED","WIATEST BUSTED!",MB_OK);
|
|
else if (Tymed == TYMED_FILE) {
|
|
|
|
//
|
|
// Rename file using set file name from UI
|
|
//
|
|
|
|
if (MoveTempFile(StgMedium.lpszFileName,m_FileName)) {
|
|
|
|
StressStatus("IWiaData Transfer ( Saving " + m_FileName + " )");
|
|
|
|
//
|
|
// Display data (only BMP, and single page TIFF supported so far for display..)
|
|
//
|
|
|
|
/*if (ClipboardFormat == WiaImgFmt_UNDEFINED)
|
|
return "WiaImgFmt_UNDEFINED";
|
|
else if (ClipboardFormat == WiaImgFmt_MEMORYBMP)
|
|
return "WiaImgFmt_MEMORYBMP";*/
|
|
if (ClipboardFormat == WiaImgFmt_BMP)
|
|
m_pDIB->ReadFromBMPFile(m_FileName);
|
|
/*else if (ClipboardFormat == WiaImgFmt_EMF)
|
|
return "WiaImgFmt_EMF";
|
|
else if (ClipboardFormat == WiaImgFmt_WMF)
|
|
return "WiaImgFmt_WMF";
|
|
else if (ClipboardFormat == WiaImgFmt_JPEG)
|
|
return "WiaImgFmt_JPEG";
|
|
else if (ClipboardFormat == WiaImgFmt_PNG)
|
|
return "WiaImgFmt_PNG";
|
|
else if (ClipboardFormat == WiaImgFmt_GIF)
|
|
return "WiaImgFmt_GIF";*/
|
|
else if (ClipboardFormat == WiaImgFmt_TIFF)
|
|
m_pDIB->ReadFromTIFFFile(m_FileName);
|
|
/*else if (ClipboardFormat == WiaImgFmt_EXIF)
|
|
return "WiaImgFmt_EXIF";
|
|
else if (ClipboardFormat == WiaImgFmt_PHOTOCD)
|
|
return "WiaImgFmt_PHOTOCD";
|
|
else if (ClipboardFormat == WiaImgFmt_FLASHPIX)
|
|
return "WiaImgFmt_FLASHPIX";
|
|
else
|
|
return "** UNKNOWN **";*/
|
|
}
|
|
}
|
|
ReleaseStgMedium(&StgMedium);
|
|
} else
|
|
StressStatus("* idtGetData() Failed",hResult);
|
|
} else
|
|
StressStatus("* pCWiaDataCB->QueryInterface(IID_IWiaDataCallback)",hResult);
|
|
} else
|
|
StressStatus("* pCWiaDataCB failed to create..");
|
|
} else
|
|
StressStatus("* pIWiaItem->QueryInterface(IID_IWiaDataTransfer) Failed",hResult);
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::DoGetImageDlg()
|
|
*
|
|
* Execute an Image transfer using the WIA Default User Interface
|
|
*
|
|
*
|
|
* Arguments:
|
|
*
|
|
* hParentWnd - Parent Window
|
|
* DeviceType - device type (scanner, camera etc..)
|
|
* Flags - special Flags
|
|
* Intent - Current Intent
|
|
* Tymed - TYMED value
|
|
* ClipboardFormat - current clipboard format
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::DoGetImageDlg(HWND hParentWnd, long DeviceType,long Flags,long Intent, long Tymed, GUID ClipboardFormat)
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
|
|
if(!IsValidItem(m_pRootIWiaItem)) {
|
|
StressStatus("* pRootIWiaItem is invalid");
|
|
return S_FALSE;
|
|
}
|
|
|
|
STGMEDIUM StgMedium;
|
|
WIA_FORMAT_INFO format;
|
|
DVTARGETDEVICE dvDev;
|
|
|
|
// Fill in the storage medium spec and get the image.
|
|
|
|
memset(&StgMedium, 0, sizeof(STGMEDIUM));
|
|
memset(&dvDev,0,sizeof(DVTARGETDEVICE));
|
|
memset(&format,0,sizeof(WIA_FORMAT_INFO));
|
|
|
|
dvDev.tdSize = sizeof(DVTARGETDEVICE);
|
|
|
|
hResult = m_pIWiaDevMgr->GetImageDlg(hParentWnd,DeviceType,Flags,Intent,m_pRootIWiaItem,m_FileName.AllocSysString(),&ClipboardFormat);
|
|
if (hResult == S_OK) {
|
|
if (Tymed == TYMED_HGLOBAL) {
|
|
MessageBox(NULL,"HGLOBAL SHOULD BE REMOVED","WIATEST BUSTED!",MB_OK);
|
|
} else if (Tymed == TYMED_FILE) {
|
|
|
|
StressStatus("GetImageDlg Transfer ( Saving " + m_FileName + " )");
|
|
|
|
//
|
|
// Display data (only BMP, and single page TIFF supported so far for display..)
|
|
//
|
|
|
|
|
|
if (ClipboardFormat == WiaImgFmt_BMP)
|
|
m_pDIB->ReadFromBMPFile(m_FileName);
|
|
else if (ClipboardFormat == WiaImgFmt_TIFF)
|
|
m_pDIB->ReadFromTIFFFile(m_FileName);
|
|
}
|
|
ReleaseStgMedium(&StgMedium);
|
|
} else if (hResult == S_FALSE) {
|
|
StressStatus("* User canceled Dialog");
|
|
} else
|
|
StressStatus("* pIWiaDevMgr->GetImageDlg() Failed", hResult);
|
|
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::CreateWIADeviceManager()
|
|
*
|
|
* Creates the IWiaDevMgr for WIA operations
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::CreateWIADeviceManager()
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
if (m_pIWiaDevMgr != NULL)
|
|
m_pIWiaDevMgr->Release();
|
|
|
|
hResult = CoCreateInstance(CLSID_WiaDevMgr, NULL, CLSCTX_LOCAL_SERVER,
|
|
IID_IWiaDevMgr,(void**)&m_pIWiaDevMgr);
|
|
if (hResult != S_OK)
|
|
StressStatus("* CoCreateInstance failed - m_pIWiaDevMgr not created");
|
|
else
|
|
StressStatus("CoCreateInstance Successful - m_pIWiaDevMgr created");
|
|
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Initialize()
|
|
*
|
|
* Called by the application to Initialize the WIA object, resulting in
|
|
* Device manager creation, and a Device Enumeration.
|
|
* The DIB data pointer is also initialized.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::Initialize()
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
hResult = ::OleInitialize(NULL);
|
|
if (FAILED(hResult))
|
|
return hResult;
|
|
//
|
|
// create a WIA device manager
|
|
//
|
|
hResult = CreateWIADeviceManager();
|
|
if (FAILED(hResult))
|
|
return hResult;
|
|
|
|
//
|
|
// enumerate WIA devices
|
|
//
|
|
hResult = EnumerateAllWIADevices();
|
|
if (FAILED(hResult))
|
|
return hResult;
|
|
|
|
//
|
|
// new DIB data pointer
|
|
//
|
|
if (m_pDIB == NULL)
|
|
m_pDIB = new CDib;
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Cleanup()
|
|
*
|
|
* Deletes allocated Enumerator lists, and releases all Interface pointers
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::Cleanup()
|
|
{
|
|
//
|
|
// Free IWiaItem* list (Active Tree list)
|
|
//
|
|
DeleteActiveTreeList();
|
|
|
|
//
|
|
// Free DeviceID list (Device list)
|
|
//
|
|
DeleteWIADeviceList();
|
|
|
|
//
|
|
// Free Supported Formats list (FormatEtc list)
|
|
//
|
|
DeleteSupportedFormatList();
|
|
|
|
//
|
|
// Free Property Info list (Item Property Info list)
|
|
//
|
|
DeleteItemPropertyInfoList();
|
|
|
|
//
|
|
// release WIA Device Manager
|
|
//
|
|
if (m_pIWiaDevMgr)
|
|
m_pIWiaDevMgr->Release();
|
|
|
|
//
|
|
// delete dib pointer, if exists
|
|
//
|
|
if (m_pDIB != NULL)
|
|
delete m_pDIB;
|
|
|
|
::OleUninitialize();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::EnumeratAllWIADevices()
|
|
*
|
|
* Enumerates all WIA devices, and creates a list of WIADEVICENODES
|
|
* A device node contains - DeviceID, used for Device creation
|
|
* Device Name, used for display only
|
|
* Server Name, used for display only
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::EnumerateAllWIADevices()
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
LONG cItemRoot = 0;
|
|
BOOL bRet = FALSE;
|
|
IEnumWIA_DEV_INFO *pWiaEnumDevInfo;
|
|
int DeviceIndex = 0;
|
|
|
|
DeleteWIADeviceList();
|
|
//
|
|
// attempt to enumerate WIA devices
|
|
//
|
|
|
|
if (m_pIWiaDevMgr)
|
|
hResult = m_pIWiaDevMgr->EnumDeviceInfo(0,&pWiaEnumDevInfo);
|
|
else {
|
|
StressStatus("* m_pIWiaDevMgr->EnumDeviceInfo() failed", hResult);
|
|
return hResult;
|
|
}
|
|
if (hResult == S_OK) {
|
|
do {
|
|
IWiaPropertyStorage *pIWiaPropStg;
|
|
hResult = pWiaEnumDevInfo->Next(1,&pIWiaPropStg, NULL);
|
|
if (hResult == S_OK) {
|
|
PROPSPEC PropSpec[3];
|
|
PROPVARIANT PropVar[3];
|
|
|
|
memset(PropVar,0,sizeof(PropVar));
|
|
|
|
PropSpec[0].ulKind = PRSPEC_PROPID;
|
|
PropSpec[0].propid = WIA_DIP_DEV_ID;
|
|
|
|
PropSpec[1].ulKind = PRSPEC_PROPID;
|
|
PropSpec[1].propid = WIA_DIP_DEV_NAME;
|
|
|
|
PropSpec[2].ulKind = PRSPEC_PROPID;
|
|
PropSpec[2].propid = WIA_DIP_SERVER_NAME;
|
|
|
|
hResult = pIWiaPropStg->ReadMultiple(sizeof(PropSpec)/sizeof(PROPSPEC),
|
|
PropSpec,
|
|
PropVar);
|
|
|
|
if (hResult == S_OK) {
|
|
IWiaItem *pWiaItemRoot = NULL;
|
|
//
|
|
// create a new WIADevice node
|
|
//
|
|
WIADEVICENODE* pWIADevice = new WIADEVICENODE;
|
|
|
|
pWIADevice->bstrDeviceID = ::SysAllocString(PropVar[0].bstrVal);
|
|
pWIADevice->bstrDeviceName = ::SysAllocString(PropVar[1].bstrVal);
|
|
pWIADevice->bstrServerName = ::SysAllocString(PropVar[2].bstrVal);
|
|
m_WIADeviceList.AddTail(pWIADevice);
|
|
|
|
StressStatus((CString)pWIADevice->bstrDeviceName + " located on ( " + (CString)pWIADevice->bstrServerName + " ) server found");
|
|
DeviceIndex++;
|
|
FreePropVariantArray(sizeof(PropSpec)/sizeof(PROPSPEC),PropVar);
|
|
} else
|
|
StressStatus("* pIWiaPropStg->ReadMultiple() Failed", hResult);
|
|
cItemRoot++;
|
|
}
|
|
} while (hResult == S_OK);
|
|
}
|
|
|
|
//
|
|
// No devices found during enumeration?
|
|
//
|
|
if (DeviceIndex == 0)
|
|
StressStatus("* No WIA Devices Found");
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::EnumerateSupportedFormats()
|
|
*
|
|
* Enumerates the supported WIAFormatInfo for the target Root Item
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pIRootItem - Target Root Item for enumeration
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::EnumerateSupportedFormats(IWiaItem* pIRootItem)
|
|
{
|
|
if(!IsValidItem(pIRootItem)) {
|
|
StressStatus("* pIRootItem is invalid");
|
|
return S_FALSE;
|
|
}
|
|
|
|
DeleteSupportedFormatList();
|
|
HRESULT hResult = S_OK;
|
|
IWiaDataTransfer *pIWiaDataTransfer = NULL;
|
|
hResult = pIRootItem->QueryInterface(IID_IWiaDataTransfer, (void **)&pIWiaDataTransfer);
|
|
if (hResult == S_OK) {
|
|
IEnumWIA_FORMAT_INFO *pIEnumWIA_FORMAT_INFO;
|
|
WIA_FORMAT_INFO pfe;
|
|
int i = 0;
|
|
WIA_FORMAT_INFO *pSupportedFormat = NULL;
|
|
|
|
hResult = pIWiaDataTransfer->idtEnumWIA_FORMAT_INFO(&pIEnumWIA_FORMAT_INFO);
|
|
if (SUCCEEDED(hResult)) {
|
|
do {
|
|
|
|
//
|
|
// enumerate supported format structs
|
|
//
|
|
|
|
hResult = pIEnumWIA_FORMAT_INFO->Next(1, &pfe, NULL);
|
|
if (hResult == S_OK) {
|
|
pSupportedFormat = new WIA_FORMAT_INFO;
|
|
memcpy(pSupportedFormat,&pfe,sizeof(WIA_FORMAT_INFO));
|
|
|
|
//
|
|
// Add supported format to the supported format list
|
|
//
|
|
|
|
m_SupportedFormatList.AddTail(pSupportedFormat);
|
|
} else {
|
|
if (FAILED(hResult)) {
|
|
StressStatus("* pIEnumWIA_FORMAT_INFO->Next Failed",hResult);
|
|
return hResult;
|
|
}
|
|
}
|
|
} while (hResult == S_OK);
|
|
|
|
//
|
|
// Release supported format enumerator interface
|
|
//
|
|
|
|
pIEnumWIA_FORMAT_INFO->Release();
|
|
|
|
//
|
|
// Release data transfer interface
|
|
//
|
|
|
|
pIWiaDataTransfer->Release();
|
|
} else
|
|
StressStatus("* EnumWIAFormatInfo Failed",hResult);
|
|
}
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::DeleteActiveTreeList()
|
|
*
|
|
* Deletes the active Tree list which contains Item Interface pointers,
|
|
* including the ROOT item. All Items are Released before the list is
|
|
* destroyed.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::DeleteActiveTreeList()
|
|
{
|
|
if (m_ActiveTreeList.GetCount() == 0)
|
|
return;
|
|
|
|
POSITION Position = m_ActiveTreeList.GetHeadPosition();
|
|
IWiaItem* pIWiaItem = NULL;
|
|
while (Position) {
|
|
WIAITEMTREENODE* pWiaItemTreeNode = (WIAITEMTREENODE*)m_ActiveTreeList.GetNext(Position);
|
|
pIWiaItem = pWiaItemTreeNode->pIWiaItem;
|
|
pIWiaItem->Release();
|
|
//delete pWiaItemTreeNode;
|
|
}
|
|
m_ActiveTreeList.RemoveAll();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::DeleteWIADeviceList()
|
|
*
|
|
* Deletes the Device list of WIADEVICENODES.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::DeleteWIADeviceList()
|
|
{
|
|
if (m_WIADeviceList.GetCount() == 0)
|
|
return;
|
|
|
|
POSITION Position = m_WIADeviceList.GetHeadPosition();
|
|
while (Position) {
|
|
WIADEVICENODE* pWiaDeviceNode = (WIADEVICENODE*)m_WIADeviceList.GetNext(Position);
|
|
::SysFreeString(pWiaDeviceNode->bstrDeviceID);
|
|
::SysFreeString(pWiaDeviceNode->bstrDeviceName);
|
|
::SysFreeString(pWiaDeviceNode->bstrServerName);
|
|
delete pWiaDeviceNode;
|
|
}
|
|
m_WIADeviceList.RemoveAll();
|
|
}
|
|
|
|
/**************************************************************************\
|
|
* CWIA::DeleteItemPropertyInfoList()
|
|
*
|
|
* Deletes the WIAITEMINFONODE list.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::DeleteItemPropertyInfoList()
|
|
{
|
|
if (m_ItemPropertyInfoList.GetCount() == 0)
|
|
return;
|
|
|
|
POSITION Position = m_ItemPropertyInfoList.GetHeadPosition();
|
|
while (Position) {
|
|
WIAITEMINFONODE* pWiaItemInfoNode = (WIAITEMINFONODE*)m_ItemPropertyInfoList.GetNext(Position);
|
|
::SysFreeString(pWiaItemInfoNode->bstrPropertyName);
|
|
PropVariantClear(&pWiaItemInfoNode->PropVar);
|
|
delete pWiaItemInfoNode;
|
|
}
|
|
m_ItemPropertyInfoList.RemoveAll();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::DeleteSupportedFormatList()
|
|
*
|
|
* Deletes the FORMATECT list.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* none
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::DeleteSupportedFormatList()
|
|
{
|
|
if (m_SupportedFormatList.GetCount() == 0)
|
|
return;
|
|
|
|
POSITION Position = m_SupportedFormatList.GetHeadPosition();
|
|
while (Position) {
|
|
WIA_FORMAT_INFO* pWIAFormatInfo = (WIA_FORMAT_INFO*)m_SupportedFormatList.GetNext(Position);
|
|
delete pWIAFormatInfo;
|
|
}
|
|
m_SupportedFormatList.RemoveAll();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetWIADeviceCount()
|
|
*
|
|
* Return the number of Enumerated WIA Devices. (list item count)
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* long - Number of WIA Devices
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
long CWIA::GetWIADeviceCount()
|
|
{
|
|
return (long)m_WIADeviceList.GetCount();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::SetFileName()
|
|
*
|
|
* Sets the Filename for a TYMED_FILE transfer
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::SetFileName(CString Filename)
|
|
{
|
|
m_FileName = Filename;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_ResetItemEnumerator()
|
|
*
|
|
* Resets the ActiveTreeList position pointer to the top for a top-down
|
|
* enumeration by an application.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* none
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::Auto_ResetItemEnumerator()
|
|
{
|
|
m_CurrentActiveTreeListPosition = m_ActiveTreeList.GetHeadPosition();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_GetNextItem()
|
|
*
|
|
* Returns a IWiaItem* pointer, next Item in the ActiveTreeList
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* IWiaItem* - IWiaItem Interface pointer
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
IWiaItem* CWIA::Auto_GetNextItem()
|
|
{
|
|
IWiaItem* pIWiaItem = NULL;
|
|
if (m_CurrentItemProperyInfoListPosition) {
|
|
WIAITEMTREENODE* pWiaItemTreeNode = (WIAITEMTREENODE*)m_ActiveTreeList.GetNext(m_CurrentActiveTreeListPosition);
|
|
pIWiaItem = pWiaItemTreeNode->pIWiaItem;
|
|
}
|
|
return pIWiaItem;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_ResetDeviceEnumerator()
|
|
*
|
|
* Resets the Device List position pointer to the top for a top-down
|
|
* enumeration by an application.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::Auto_ResetDeviceEnumerator()
|
|
{
|
|
m_CurrentDeviceListPosition = m_WIADeviceList.GetHeadPosition();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_GetNextDevice()
|
|
*
|
|
* Returns a WIADEVICENODE* pointer, next Device in the WIA Device List
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* WIADEVICENODE* - Wia Device Node pointer
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
WIADEVICENODE* CWIA::Auto_GetNextDevice()
|
|
{
|
|
WIADEVICENODE* pWiaDeviceNode = NULL;
|
|
if (m_CurrentDeviceListPosition)
|
|
pWiaDeviceNode = (WIADEVICENODE*)m_WIADeviceList.GetNext(m_CurrentDeviceListPosition);
|
|
return pWiaDeviceNode;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_GetNextFormatEtc()
|
|
*
|
|
* Returns a WIA_FORMAT_INFO* pointer, next WIAFormatInfo in the supported WIAFormatInfo List
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* WIA_FORMAT_INFO* - WIAFormatInfo pointer
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
WIA_FORMAT_INFO* CWIA::Auto_GetNextFormatEtc()
|
|
{
|
|
WIA_FORMAT_INFO* pWIAFormatInfo = NULL;
|
|
if (m_CurrentFormatEtcListPosition)
|
|
WIA_FORMAT_INFO* pWIAFormatInfo = (WIA_FORMAT_INFO*)m_SupportedFormatList.GetNext(m_CurrentFormatEtcListPosition);
|
|
return pWIAFormatInfo;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_ResetFormatEtcEnumerator()
|
|
*
|
|
* Resets the Supported Format Etc List position pointer to the top for a top-down
|
|
* enumeration by an application.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* none
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::Auto_ResetFormatEtcEnumerator()
|
|
{
|
|
m_CurrentFormatEtcListPosition = m_SupportedFormatList.GetHeadPosition();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::CreateWIADevice()
|
|
*
|
|
* Creates a WIA Device, Initializing the WIA object to operate on that
|
|
* device. Initialization includes the following:
|
|
* Destruction of Old Items tree.
|
|
* Destruction of old supported formats
|
|
* Recreation of Items tree.
|
|
* Recreation of supported formats
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::CreateWIADevice(BSTR bstrDeviceID)
|
|
{
|
|
//
|
|
// clean up old lists
|
|
//
|
|
DeleteActiveTreeList();
|
|
DeleteSupportedFormatList();
|
|
HRESULT hResult = S_OK;
|
|
hResult = m_pIWiaDevMgr->CreateDevice(bstrDeviceID, &m_pRootIWiaItem);
|
|
if (SUCCEEDED(hResult)) {
|
|
hResult = EnumerateAllItems(m_pRootIWiaItem);
|
|
if (FAILED(hResult))
|
|
StressStatus("* EnumerateAllItems Failed",hResult);
|
|
hResult = EnumerateSupportedFormats(m_pRootIWiaItem);
|
|
if (FAILED(hResult))
|
|
StressStatus("* EnumerateSupportedFormats Failed",hResult);
|
|
} else if (hResult == WAIT_TIMEOUT) {
|
|
for (int TryCount = 1;TryCount <=5;TryCount++) {
|
|
int msWait = ((rand() % 100) + 10);
|
|
Sleep(msWait);
|
|
hResult = m_pIWiaDevMgr->CreateDevice(bstrDeviceID, &m_pRootIWiaItem);
|
|
if (SUCCEEDED(hResult)) {
|
|
TryCount = 6;
|
|
hResult = EnumerateAllItems(m_pRootIWiaItem);
|
|
if (FAILED(hResult))
|
|
StressStatus("* EnumerateAllItems Failed",hResult);
|
|
hResult = EnumerateSupportedFormats(m_pRootIWiaItem);
|
|
if (FAILED(hResult))
|
|
StressStatus("* EnumerateSupportedFormats Failed",hResult);
|
|
}
|
|
}
|
|
} else
|
|
StressStatus("* CreateDevice Failed",hResult);
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetWIAItemCount()
|
|
*
|
|
* Returns the number of Items for the current device
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* long - number of items
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
long CWIA::GetWIAItemCount()
|
|
{
|
|
return (long)m_ActiveTreeList.GetCount();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_GetNextItemPropertyInfo()
|
|
*
|
|
* Returns the next WIAITEMINFONODE pointer in the Property information list
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* WIAITEMINFONODE* - WIA Item node pointer
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
WIAITEMINFONODE* CWIA:: Auto_GetNextItemPropertyInfo()
|
|
{
|
|
WIAITEMINFONODE* pWiaItemPropertyInfoNode = NULL;
|
|
if (m_CurrentItemProperyInfoListPosition)
|
|
pWiaItemPropertyInfoNode = (WIAITEMINFONODE*)m_ItemPropertyInfoList.GetNext(m_CurrentItemProperyInfoListPosition);
|
|
return pWiaItemPropertyInfoNode;
|
|
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Auto_ResetItemPropertyInfoEnumerator()
|
|
*
|
|
* Resets the Item Property enumerator to the Head of the
|
|
* Item Property list
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA:: Auto_ResetItemPropertyInfoEnumerator()
|
|
{
|
|
m_CurrentItemProperyInfoListPosition = m_ItemPropertyInfoList.GetHeadPosition();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetItemPropertyInfoCount()
|
|
*
|
|
* returns the number of Properties for the current Item
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* long - Number of properties for the current item
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
long CWIA::GetWIAItemProperyInfoCount()
|
|
{
|
|
return (long)m_ItemPropertyInfoList.GetCount();
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::CreateItemPropertyInformationList()
|
|
*
|
|
* Constructs a list of WIAITEMINFONODEs that contain information about
|
|
* the target item.
|
|
* A Item Property info node contains - PropSpec, used for read/writes
|
|
* PropVar, used for read/write
|
|
* bstrPropertyName, used for display only
|
|
* AccessFlags, access rights/flags
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pIWiaItem - target item
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::CreateItemPropertyInformationList(IWiaItem *pIWiaItem)
|
|
{
|
|
if(!IsValidItem(pIWiaItem)) {
|
|
StressStatus("* pIWiaItem is invalid");
|
|
return S_FALSE;
|
|
}
|
|
|
|
DeleteItemPropertyInfoList();
|
|
|
|
HRESULT hResult = S_OK;
|
|
IWiaPropertyStorage *pIWiaPropStg = NULL;
|
|
|
|
if (pIWiaItem == NULL)
|
|
return E_FAIL;
|
|
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage,(void **)&pIWiaPropStg);
|
|
if (hResult == S_OK) {
|
|
//
|
|
// Start Enumeration
|
|
//
|
|
IEnumSTATPROPSTG *pIPropEnum;
|
|
hResult = pIWiaPropStg->Enum(&pIPropEnum);
|
|
if (hResult == S_OK) {
|
|
STATPROPSTG StatPropStg;
|
|
do {
|
|
hResult = pIPropEnum->Next(1,&StatPropStg, NULL);
|
|
if (hResult == S_OK) {
|
|
if (StatPropStg.lpwstrName != NULL) {
|
|
//
|
|
// read property value
|
|
//
|
|
WIAITEMINFONODE* pWiaItemInfoNode = new WIAITEMINFONODE;
|
|
memset(pWiaItemInfoNode,0,sizeof(WIAITEMINFONODE));
|
|
pWiaItemInfoNode->bstrPropertyName = ::SysAllocString(StatPropStg.lpwstrName);
|
|
pWiaItemInfoNode->PropSpec.ulKind = PRSPEC_PROPID;
|
|
pWiaItemInfoNode->PropSpec.propid = StatPropStg.propid;
|
|
|
|
hResult = pIWiaPropStg->ReadMultiple(1,&pWiaItemInfoNode->PropSpec,&pWiaItemInfoNode->PropVar);
|
|
if (hResult == S_OK) {
|
|
PROPVARIANT AttrPropVar; // not used at this time
|
|
hResult = pIWiaPropStg->GetPropertyAttributes(1, &pWiaItemInfoNode->PropSpec,&pWiaItemInfoNode->AccessFlags,&AttrPropVar);
|
|
if (hResult != S_OK) {
|
|
StressStatus("* pIWiaItem->GetPropertyAttributes() Failed",hResult);
|
|
hResult = S_OK; // do this to continue property traversal
|
|
}
|
|
m_ItemPropertyInfoList.AddTail(pWiaItemInfoNode);
|
|
} else
|
|
StressStatus("* ReadMultiple Failed",hResult);
|
|
} else {
|
|
CString msg;
|
|
msg.Format("* Property with NULL name, propid = %li\n",StatPropStg.propid);
|
|
StressStatus(msg);
|
|
}
|
|
}
|
|
//
|
|
// clean up property name
|
|
//
|
|
CoTaskMemFree(StatPropStg.lpwstrName);
|
|
} while (hResult == S_OK);
|
|
|
|
}
|
|
if (pIPropEnum != NULL)
|
|
pIPropEnum->Release();
|
|
if (pIWiaPropStg != NULL)
|
|
pIWiaPropStg->Release();
|
|
}
|
|
return S_OK;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::ReEnumeratetems()
|
|
*
|
|
* ReCreates an Active Tree list of all items using the target Root Item
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::ReEnumerateItems()
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
if (m_ActiveTreeList.GetCount() == 0)
|
|
return E_FAIL;
|
|
|
|
POSITION Position = m_ActiveTreeList.GetHeadPosition();
|
|
//
|
|
// skip root item
|
|
//
|
|
m_ActiveTreeList.GetNext(Position);
|
|
IWiaItem* pIWiaItem = NULL;
|
|
while (Position) {
|
|
WIAITEMTREENODE* pWiaItemTreeNode = (WIAITEMTREENODE*)m_ActiveTreeList.GetNext(Position);
|
|
pIWiaItem = pWiaItemTreeNode->pIWiaItem;
|
|
pIWiaItem->Release();
|
|
}
|
|
hResult = EnumerateAllItems(m_pRootIWiaItem);
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::EnumerateAllItems()
|
|
*
|
|
* Creates an Active Tree list of all items using the target Root Item
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pRootItem - target root item
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::EnumerateAllItems(IWiaItem *pIRootItem)
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
|
|
if(!IsValidItem(pIRootItem)) {
|
|
StressStatus("* pIRootItem is invalid");
|
|
return S_FALSE;
|
|
}
|
|
|
|
IEnumWiaItem* pEnumItem = NULL;
|
|
IWiaItem* pIWiaItem = NULL;
|
|
WIAITEMTREENODE* pWiaItemTreeNode = NULL;
|
|
int ParentID = 0;
|
|
//
|
|
// clean existing list
|
|
//
|
|
|
|
m_ActiveTreeList.RemoveAll();
|
|
if (pIRootItem != NULL) {
|
|
// add Root to list
|
|
pWiaItemTreeNode = (WIAITEMTREENODE*)GlobalAlloc(GPTR,sizeof(WIAITEMTREENODE));
|
|
pWiaItemTreeNode->pIWiaItem = pIRootItem;
|
|
pWiaItemTreeNode->ParentID = ParentID;
|
|
m_ActiveTreeList.AddTail(pWiaItemTreeNode);
|
|
hResult = pIRootItem->EnumChildItems(&pEnumItem);
|
|
//
|
|
// we have children so continue to enumerate them
|
|
//
|
|
if (hResult == S_OK && pEnumItem != NULL) {
|
|
EnumNextLevel(pEnumItem,ParentID);
|
|
pEnumItem->Release();
|
|
}
|
|
} else {
|
|
//
|
|
// pRootItem is NULL!!
|
|
//
|
|
StressStatus("* pRootItem is NULL");
|
|
return E_INVALIDARG;
|
|
}
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::EnumNextLevel()
|
|
*
|
|
* Continues the Active Tree list creation of all items using a target Root Item
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pEnumItem - Item Enumerator
|
|
* ParentID - Parent ID (Recursive tracking for display only)
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::EnumNextLevel(IEnumWiaItem *pEnumItem,int ParentID)
|
|
{
|
|
IWiaItem *pIWiaItem;
|
|
long lType;
|
|
HRESULT hResult;
|
|
WIAITEMTREENODE* pWiaItemTreeNode = NULL;
|
|
|
|
while (pEnumItem->Next(1,&pIWiaItem,NULL) == S_OK) {
|
|
if (pIWiaItem != NULL) {
|
|
pWiaItemTreeNode = (WIAITEMTREENODE*)GlobalAlloc(GPTR,sizeof(WIAITEMTREENODE));
|
|
pWiaItemTreeNode->pIWiaItem = pIWiaItem;
|
|
pWiaItemTreeNode->ParentID = ParentID;
|
|
m_ActiveTreeList.AddTail(pWiaItemTreeNode);
|
|
} else
|
|
return E_FAIL;
|
|
|
|
// find out if the item is a folder, if it is,
|
|
// recursive enumerate
|
|
pIWiaItem->GetItemType(&lType);
|
|
if (lType & WiaItemTypeFolder) {
|
|
IEnumWiaItem *pEnumNext;
|
|
hResult = pIWiaItem->EnumChildItems(&pEnumNext);
|
|
if (hResult == S_OK) {
|
|
EnumNextLevel(pEnumNext,ParentID + 1);
|
|
pEnumNext->Release();
|
|
}
|
|
}
|
|
}
|
|
return S_OK;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetItemTreeList()
|
|
*
|
|
* Returns a pointer to the Active Tree list containing all items.
|
|
* note: Some Applications need to make list operations using previously
|
|
* stored POSITIONS in the list. Applications should not destroy
|
|
* this list. The WIA object controls the destruction.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* CPtrList* - pointer to the Active Tree list
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
CPtrList* CWIA::GetItemTreeList()
|
|
{
|
|
return &m_ActiveTreeList;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetRootIWiaItem()
|
|
*
|
|
* Returns the Root item for the current WIA session
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pRootItem - target root item
|
|
*
|
|
* Return Value:
|
|
*
|
|
* IWiaItem* pRootItem;
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
IWiaItem* CWIA::GetRootIWiaItem()
|
|
{
|
|
return m_pRootIWiaItem;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::IsRoot()
|
|
*
|
|
* Checks the POSITION against with the Head POSITION in the list.
|
|
* if the POSITIONS match then it's the Root Item.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* Position - Position to test
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
BOOL CWIA::IsRoot(POSITION Position)
|
|
{
|
|
if (m_ActiveTreeList.GetHeadPosition() == Position)
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::IsFolder()
|
|
*
|
|
* Checks the item at the target POSITION about it's type.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* Position - Position to test
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
BOOL CWIA::IsFolder(POSITION Position)
|
|
{
|
|
IWiaItem* pIWiaItem = NULL;
|
|
long lVal = 0;
|
|
if (Position) {
|
|
WIAITEMTREENODE* pWiaItemTreeNode = (WIAITEMTREENODE*)m_ActiveTreeList.GetAt(Position);
|
|
pIWiaItem = pWiaItemTreeNode->pIWiaItem;
|
|
}
|
|
if (pIWiaItem != NULL) {
|
|
IWiaPropertyStorage *pIWiaPropStg;
|
|
HRESULT hResult = S_OK;
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage,(void **)&pIWiaPropStg);
|
|
if (hResult == S_OK) {
|
|
//
|
|
// read Item's Type
|
|
//
|
|
hResult = ReadPropLong(WIA_IPA_ITEM_FLAGS, pIWiaPropStg, &lVal);
|
|
if (hResult != S_OK)
|
|
StressStatus("* ReadPropLong(WIA_IPA_ITEM_FLAGS) Failed",hResult);
|
|
else
|
|
pIWiaPropStg->Release();
|
|
if (lVal == WiaItemTypeFolder) {
|
|
return TRUE;
|
|
} else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
} else
|
|
return FALSE;
|
|
return FALSE;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetAt()
|
|
*
|
|
* Returns the WIAITEMTREENODE* at the target position
|
|
*
|
|
* Arguments:
|
|
*
|
|
* Position - target Position
|
|
*
|
|
* Return Value:
|
|
*
|
|
* WIAITEMTREENODE* pWiaItemTreeNode - requested node
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
WIAITEMTREENODE* CWIA::GetAt(POSITION Position)
|
|
{
|
|
POSITION TestPosition = m_ActiveTreeList.GetHeadPosition();
|
|
if (TestPosition == Position)
|
|
return(m_ActiveTreeList.GetAt(Position));
|
|
while (TestPosition) {
|
|
m_ActiveTreeList.GetNext(TestPosition);
|
|
if (TestPosition == Position)
|
|
return(m_ActiveTreeList.GetAt(Position));
|
|
}
|
|
return NULL;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetRootItemType()
|
|
*
|
|
* Returns the Root item's type
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* Root Item's Type (device type)
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
int CWIA::GetRootItemType()
|
|
{
|
|
long lVal = 0;
|
|
if (m_pRootIWiaItem != NULL) {
|
|
IWiaPropertyStorage *pIWiaPropStg;
|
|
HRESULT hResult = S_OK;
|
|
hResult = m_pRootIWiaItem->QueryInterface(IID_IWiaPropertyStorage,(void **)&pIWiaPropStg);
|
|
if (hResult == S_OK) {
|
|
//
|
|
// read Root Item's Type
|
|
//
|
|
hResult = ReadPropLong(WIA_DIP_DEV_TYPE, pIWiaPropStg, &lVal);
|
|
if (hResult != S_OK)
|
|
StressStatus("* ReadPropLong(WIA_DIP_DEV_TYPE) Failed",hResult);
|
|
else
|
|
pIWiaPropStg->Release();
|
|
}
|
|
}
|
|
return(GET_STIDEVICE_TYPE(lVal));
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::RemoveAt()
|
|
*
|
|
* Removes the WIAITEMTREENODE* at the target position
|
|
*
|
|
* Arguments:
|
|
*
|
|
* Position - target Position
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::RemoveAt(POSITION Position)
|
|
{
|
|
m_ActiveTreeList.RemoveAt(Position);
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetDIB()
|
|
*
|
|
* Returns the CDIB pointer for display
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* CDib* - Pointer to a CDIB object
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
|
|
CDib* CWIA::GetDIB()
|
|
{
|
|
return m_pDIB;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::GetSupportedFormatList()
|
|
*
|
|
* Returns a pointer to the supported format list
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* CPtrList* - pointer to Supported FormatEtc list
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
CPtrList* CWIA::GetSupportedFormatList()
|
|
{
|
|
return &m_SupportedFormatList;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::RegisterForConnectEvents()
|
|
*
|
|
* Registers an application for Connect events only
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pConnectEventCB - pointer to a callback
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::RegisterForConnectEvents(CEventCallback* pConnectEventCB)
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
IWiaEventCallback* pIWiaEventCallback = NULL;
|
|
IUnknown* pIUnkRelease;
|
|
|
|
// register connected event
|
|
pConnectEventCB->Initialize(ID_WIAEVENT_CONNECT);
|
|
pConnectEventCB->QueryInterface(IID_IWiaEventCallback,(void **)&pIWiaEventCallback);
|
|
|
|
GUID guidConnect = WIA_EVENT_DEVICE_CONNECTED;
|
|
hResult = m_pIWiaDevMgr->RegisterEventCallbackInterface(WIA_REGISTER_EVENT_CALLBACK,
|
|
NULL,
|
|
&guidConnect,
|
|
pIWiaEventCallback,
|
|
&pIUnkRelease);
|
|
|
|
pConnectEventCB->m_pIUnkRelease = pIUnkRelease;
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::UnRegisterForConnectEvents()
|
|
*
|
|
* UnRegisters an application from Connect events only.
|
|
* note: callback interface is released, and deleted by
|
|
* this routine.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pConnectEventCB - pointer to a callback
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
|
|
HRESULT CWIA::UnRegisterForConnectEvents(CEventCallback* pConnectEventCB)
|
|
{
|
|
if (pConnectEventCB) {
|
|
//IWiaEventCallback* pIWiaEventCallback = NULL;
|
|
//pConnectEventCB->QueryInterface(IID_IWiaEventCallback,(void **)&pIWiaEventCallback);
|
|
//
|
|
// unregister connected
|
|
//GUID guidConnect = WIA_EVENT_DEVICE_CONNECTED;
|
|
//hResult = m_pIWiaDevMgr->RegisterEventCallbackInterface(WIA_UNREGISTER_EVENT_CALLBACK,
|
|
// NULL,
|
|
// &guidConnect,
|
|
// pIWiaEventCallback);
|
|
//if (hResult == S_OK)
|
|
// StressStatus("ConnectEventCB unregistered successfully...");
|
|
//else
|
|
// StressStatus("* ConnectEventCB failed to unregister..",hResult);
|
|
|
|
pConnectEventCB->m_pIUnkRelease->Release();
|
|
pConnectEventCB->m_pIUnkRelease = NULL;
|
|
pConnectEventCB->Release();
|
|
}
|
|
|
|
|
|
return S_OK;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::RegisterForDisConnectEvents()
|
|
*
|
|
* Registers an application for disconnect events only
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pDisConnectEventCB - pointer to a callback
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::RegisterForDisConnectEvents(CEventCallback* pDisConnectEventCB)
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
|
|
IWiaEventCallback* pIWiaEventCallback = NULL;
|
|
IUnknown* pIUnkRelease;
|
|
|
|
// register disconnected event
|
|
pDisConnectEventCB->Initialize(ID_WIAEVENT_DISCONNECT);
|
|
pDisConnectEventCB->QueryInterface(IID_IWiaEventCallback,(void **)&pIWiaEventCallback);
|
|
|
|
GUID guidDisconnect = WIA_EVENT_DEVICE_DISCONNECTED;
|
|
hResult = m_pIWiaDevMgr->RegisterEventCallbackInterface(WIA_REGISTER_EVENT_CALLBACK,
|
|
NULL,
|
|
&guidDisconnect,
|
|
pIWiaEventCallback,
|
|
&pIUnkRelease);
|
|
|
|
pDisConnectEventCB->m_pIUnkRelease = pIUnkRelease;
|
|
|
|
return hResult;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::UnRegisterForDisConnectEvents()
|
|
*
|
|
* UnRegisters an application from disconnect events only.
|
|
* note: callback interface is released, and deleted by
|
|
* this routine.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pDisConnectEventCB - pointer to a callback
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::UnRegisterForDisConnectEvents(CEventCallback* pDisConnectEventCB)
|
|
{
|
|
if (pDisConnectEventCB) {
|
|
//IWiaEventCallback* pIWiaEventCallback = NULL;
|
|
//pDisConnectEventCB->QueryInterface(IID_IWiaEventCallback,(void **)&pIWiaEventCallback);
|
|
//
|
|
//// unregister disconnected
|
|
//GUID guidDisconnect = WIA_EVENT_DEVICE_DISCONNECTED;
|
|
//hResult = m_pIWiaDevMgr->RegisterEventCallbackInterface(WIA_UNREGISTER_EVENT_CALLBACK,
|
|
// NULL,
|
|
// &guidDisconnect,
|
|
// pIWiaEventCallback);
|
|
//if (hResult == S_OK)
|
|
// StressStatus("DisConnectEventCB unregistered successfully...");
|
|
//else
|
|
// StressStatus("* DisConnectEventCB failed to unregister..",hResult);
|
|
|
|
pDisConnectEventCB->m_pIUnkRelease->Release();
|
|
pDisConnectEventCB->m_pIUnkRelease = NULL;
|
|
pDisConnectEventCB->Release();
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Shutdown()
|
|
*
|
|
* Forces a temporary shut down of the WIA object
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::Shutdown()
|
|
{
|
|
//
|
|
// Free IWiaItem* list (Active Tree list)
|
|
//
|
|
DeleteActiveTreeList();
|
|
|
|
//
|
|
// Free DeviceID list (Device list)
|
|
//
|
|
DeleteWIADeviceList();
|
|
|
|
//
|
|
// Free Supported Formats list (FormatEtc list)
|
|
//
|
|
DeleteSupportedFormatList();
|
|
|
|
//
|
|
// release WIA Device Manager
|
|
//
|
|
if (m_pIWiaDevMgr) {
|
|
m_pIWiaDevMgr->Release();
|
|
m_pIWiaDevMgr = NULL;
|
|
}
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::Restart()
|
|
*
|
|
* Forces a reintialization from a Previous ShutDown() call
|
|
*
|
|
* Arguments:
|
|
*
|
|
* none
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::Restart()
|
|
{
|
|
HRESULT hResult = S_OK;
|
|
//
|
|
// create a WIA device manager
|
|
//
|
|
hResult = CreateWIADeviceManager();
|
|
if (FAILED(hResult))
|
|
StressStatus("* CreateWIADeviceManager Failed",hResult);
|
|
|
|
//
|
|
// enumerate WIA devices
|
|
//
|
|
hResult = EnumerateAllWIADevices();
|
|
if (FAILED(hResult))
|
|
StressStatus("* EnumerateAllWIADevices Failed",hResult);
|
|
}
|
|
/**************************************************************************\
|
|
* CWIA::EnableMessageBoxErrorReport()
|
|
*
|
|
* Enables, disables MessageBox reporting to the user
|
|
*
|
|
* Arguments:
|
|
*
|
|
* bEnable - (TRUE = enable) (FALSE = disable)
|
|
*
|
|
* Return Value:
|
|
*
|
|
* void
|
|
*
|
|
* History:
|
|
*
|
|
* 2/14/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
void CWIA::EnableMessageBoxErrorReport(BOOL bEnable)
|
|
{
|
|
m_bMessageBoxReport = bEnable;
|
|
}
|
|
|
|
/**************************************************************************\
|
|
* CWIA::SavePropStreamToFile()
|
|
*
|
|
* Saves a property stream from an IWiaItem to a file
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pFileName - Property Stream file name
|
|
* pIWiaItem - Item, to save stream from
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 6/8/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::SavePropStreamToFile(char* pFileName, IWiaItem* pIWiaItem)
|
|
{
|
|
IStream *pIStrm = NULL;
|
|
|
|
CFile StreamFile;
|
|
CFileException Exception;
|
|
HRESULT hResult = S_OK;
|
|
IWiaPropertyStorage *pIWiaPropStg;
|
|
GUID guidCompatId;
|
|
|
|
if (pIWiaItem != NULL) {
|
|
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage, (void**) &pIWiaPropStg);
|
|
if (FAILED(hResult)) {
|
|
StressStatus("* QI for IWiaPropertySTorage Failed",hResult);
|
|
return hResult;
|
|
}
|
|
|
|
hResult = pIWiaPropStg->GetPropertyStream(&guidCompatId, &pIStrm);
|
|
if (SUCCEEDED(hResult)) {
|
|
|
|
//
|
|
// Save Property Stream to File (propstrm.wia). We choose to ignore the CompatID
|
|
//
|
|
|
|
//
|
|
// open file, this will create a new file every time (overwriting the original)
|
|
//
|
|
|
|
if ( StreamFile.Open(pFileName,CFile::modeCreate|CFile::modeWrite,&Exception)) {
|
|
|
|
//
|
|
// Get stream size.
|
|
//
|
|
|
|
ULARGE_INTEGER uliSize;
|
|
LARGE_INTEGER liOrigin = {0,0};
|
|
|
|
pIStrm->Seek(liOrigin, STREAM_SEEK_END, &uliSize);
|
|
|
|
DWORD dwSize = uliSize.u.LowPart;
|
|
|
|
if (dwSize) {
|
|
|
|
//
|
|
// write stream size in first 4 byte location
|
|
//
|
|
|
|
StreamFile.Write(&dwSize, sizeof(long));
|
|
|
|
//
|
|
// Read the stream data into a buffer.
|
|
//
|
|
|
|
PBYTE pBuf = (PBYTE) LocalAlloc(0, dwSize);
|
|
if (pBuf) {
|
|
pIStrm->Seek(liOrigin, STREAM_SEEK_SET, NULL);
|
|
|
|
ULONG ulRead;
|
|
|
|
pIStrm->Read(pBuf, dwSize, &ulRead);
|
|
|
|
//
|
|
// write stream to file
|
|
//
|
|
|
|
StreamFile.Write(pBuf, ulRead);
|
|
LocalFree(pBuf);
|
|
}
|
|
}
|
|
|
|
StreamFile.Close();
|
|
} else {
|
|
|
|
//
|
|
// Throw an Exception for Open Failure
|
|
//
|
|
|
|
AfxThrowFileException(Exception.m_cause);
|
|
}
|
|
|
|
pIStrm->Release();
|
|
} else {
|
|
StressStatus("* GetPropertyStream Failed",hResult);
|
|
}
|
|
pIWiaPropStg->Release();
|
|
}
|
|
return hResult;
|
|
}
|
|
|
|
/**************************************************************************\
|
|
* CWIA::ReadPropStreamFromFile()
|
|
*
|
|
* Reads a property stream from an a previously saved file
|
|
* and writes this stream to the pIWiaItem
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pFileName - Property Stream file name
|
|
* pIWiaItem - Item, to save stream to
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 6/8/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::ReadPropStreamFromFile(char* pFileName, IWiaItem* pIWiaItem)
|
|
{
|
|
HGLOBAL hMem = NULL;
|
|
LPSTREAM pstmProp = NULL;
|
|
LPBYTE pStreamData = NULL;
|
|
CFile StreamFile;
|
|
CFileException Exception;
|
|
HRESULT hResult = S_OK;
|
|
IWiaPropertyStorage *pIWiaPropStg;
|
|
|
|
if (pIWiaItem != NULL) {
|
|
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage, (void**) &pIWiaPropStg);
|
|
if (FAILED(hResult)) {
|
|
StressStatus("* QI for IWiaPropertySTorage Failed",hResult);
|
|
return hResult;
|
|
}
|
|
|
|
//
|
|
// Open stream data file
|
|
//
|
|
|
|
if ( StreamFile.Open(pFileName,CFile::modeRead,&Exception)) {
|
|
|
|
//
|
|
// read the size of the stream from stream data file
|
|
//
|
|
|
|
DWORD dwSize = 0;
|
|
StreamFile.Read(&dwSize,sizeof(long));
|
|
if (dwSize) {
|
|
|
|
//
|
|
// allocate memory for hMem, which will be Locked to
|
|
// create pStreamData
|
|
//
|
|
|
|
hMem = GlobalAlloc(GMEM_MOVEABLE, dwSize);
|
|
if (hMem) {
|
|
|
|
pStreamData = (LPBYTE)GlobalLock(hMem);
|
|
if (pStreamData != NULL) {
|
|
|
|
//
|
|
// Read stored stream data from stream file
|
|
//
|
|
|
|
if (StreamFile.Read(pStreamData,dwSize) != dwSize) {
|
|
StressStatus("File contains different amount of data than specified by header...");
|
|
|
|
//
|
|
// clean up and bail
|
|
//
|
|
|
|
GlobalUnlock(hMem);
|
|
GlobalFree(pStreamData);
|
|
|
|
//
|
|
// close file
|
|
//
|
|
|
|
StreamFile.Close();
|
|
return E_FAIL;
|
|
} else {
|
|
|
|
//
|
|
// Create the hStream
|
|
//
|
|
|
|
hResult = CreateStreamOnHGlobal(hMem, TRUE, &pstmProp);
|
|
if (SUCCEEDED(hResult)) {
|
|
|
|
//
|
|
// Set stored property stream back to IWiaItem. Use
|
|
// GUID_NULL for CompatId since we didn't store it.
|
|
//
|
|
|
|
hResult = pIWiaPropStg->SetPropertyStream((GUID*) &GUID_NULL, pstmProp);
|
|
if (SUCCEEDED(hResult))
|
|
StressStatus("Stream was successfully written....");
|
|
else
|
|
StressStatus("* SetPropertyStream Failed",hResult);
|
|
|
|
//
|
|
// Release stream (IStream*)
|
|
//
|
|
|
|
pstmProp->Release();
|
|
|
|
} else{
|
|
StressStatus("* CreateStreamOnHGlobal() failed",hResult);
|
|
}
|
|
}
|
|
GlobalUnlock(hMem);
|
|
} else{
|
|
StressStatus("* GlobalLock() Failed");
|
|
}
|
|
} else{
|
|
StressStatus("* GlobalAlloc Failed");
|
|
}
|
|
} else {
|
|
StressStatus("* Stream size read from file was 0 bytes");
|
|
}
|
|
|
|
//
|
|
// close file
|
|
//
|
|
|
|
StreamFile.Close();
|
|
} else {
|
|
|
|
//
|
|
// Throw an Exception for Open Failure
|
|
//
|
|
|
|
AfxThrowFileException(Exception.m_cause);
|
|
}
|
|
pIWiaPropStg->Release();
|
|
}
|
|
return hResult;
|
|
}
|
|
|
|
/**************************************************************************\
|
|
* CWIA::GetSetPropStreamTest()
|
|
*
|
|
* Gets the property stream from the item, and
|
|
* Sets it back to the same item.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pIWiaItem - Item, to Test
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 6/8/1999 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::GetSetPropStreamTest(IWiaItem* pIWiaItem)
|
|
{
|
|
HGLOBAL hStream = NULL;
|
|
LPSTREAM pstmProp = NULL;
|
|
CFile StreamFile;
|
|
CFileException Exception;
|
|
HRESULT hResult = S_OK;
|
|
IWiaPropertyStorage *pIWiaPropStg;
|
|
GUID guidCompatId;
|
|
|
|
if (pIWiaItem != NULL) {
|
|
hResult = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage, (void**) &pIWiaPropStg);
|
|
if (FAILED(hResult)) {
|
|
StressStatus("* QI for IWiaPropertySTorage Failed",hResult);
|
|
return hResult;
|
|
}
|
|
|
|
hResult = pIWiaPropStg->GetPropertyStream(&guidCompatId, &pstmProp);
|
|
if (SUCCEEDED(hResult)) {
|
|
hResult = pIWiaPropStg->SetPropertyStream(&guidCompatId, pstmProp);
|
|
if (SUCCEEDED(hResult))
|
|
MessageBox(NULL,"Successful GET - SET stream call","WIATest Debug Status",MB_OK);
|
|
else
|
|
StressStatus("* SetPropertyStream() Failed",hResult);
|
|
|
|
//
|
|
// Free the stream
|
|
//
|
|
|
|
pstmProp->Release();
|
|
} else
|
|
StressStatus("* GetPropertyStream() Failed",hResult);
|
|
pIWiaPropStg->Release();
|
|
}
|
|
return hResult;
|
|
}
|
|
|
|
/**************************************************************************\
|
|
* CWIA::AnalyzeItem()
|
|
*
|
|
* Runs the AnalyzeItem method from the specified IWiaItem.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pIWiaItem - Item, to run analysis on
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 01/13/2000 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::AnalyzeItem(IWiaItem* pIWiaItem)
|
|
{
|
|
return pIWiaItem->AnalyzeItem(0);
|
|
}
|
|
|
|
/**************************************************************************\
|
|
* CWIA::CreateChildItem()
|
|
*
|
|
* Runs the CreateChildItem method from the specified IWiaItem.
|
|
*
|
|
* Arguments:
|
|
*
|
|
* pIWiaItem - Item, to run CreateChildItem on
|
|
*
|
|
* Return Value:
|
|
*
|
|
* status
|
|
*
|
|
* History:
|
|
*
|
|
* 01/13/2000 Original Version
|
|
*
|
|
\**************************************************************************/
|
|
HRESULT CWIA::CreateChildItem(IWiaItem *pIWiaItem)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
IWiaItem *pNewIWiaItem = NULL;
|
|
IWiaPropertyStorage *pIWiaPropStg = NULL;
|
|
BSTR bstrName = NULL;
|
|
BSTR bstrFullName = NULL;
|
|
WCHAR wszName[MAX_PATH];
|
|
WCHAR wszFullName[MAX_PATH];
|
|
|
|
//
|
|
// Get the property storage so we can read the full item name.
|
|
//
|
|
|
|
hr = pIWiaItem->QueryInterface(IID_IWiaPropertyStorage,
|
|
(VOID**)&pIWiaPropStg);
|
|
if (SUCCEEDED(hr)) {
|
|
|
|
hr = ReadPropStr(WIA_IPA_FULL_ITEM_NAME,
|
|
pIWiaPropStg,
|
|
&bstrFullName);
|
|
if (SUCCEEDED(hr)) {
|
|
|
|
//
|
|
// Fill in the item name and full item name.
|
|
//
|
|
|
|
wcscpy(wszName, L"WiaTestItem");
|
|
wcscpy(wszFullName, bstrFullName);
|
|
wcscat(wszFullName, L"\\");
|
|
wcscat(wszFullName, wszName);
|
|
|
|
SysFreeString(bstrFullName);
|
|
bstrFullName = SysAllocString(wszFullName);
|
|
bstrName = SysAllocString(wszName);
|
|
|
|
if (bstrFullName && bstrName) {
|
|
hr = pIWiaItem->CreateChildItem(WiaItemTypeTransfer |
|
|
WiaItemTypeImage |
|
|
WiaItemTypeFile,
|
|
bstrName,
|
|
bstrFullName,
|
|
&pNewIWiaItem);
|
|
if (SUCCEEDED(hr)) {
|
|
|
|
//
|
|
// Release the newly created item which was returned
|
|
// to us.
|
|
//
|
|
|
|
pNewIWiaItem->Release();
|
|
} else {
|
|
StressStatus("* CreateChildItem call failed");
|
|
}
|
|
} else {
|
|
hr = E_OUTOFMEMORY;
|
|
StressStatus("* Could not allocate name strings");
|
|
}
|
|
} else {
|
|
StressStatus("* Could not read full item name");
|
|
}
|
|
|
|
pIWiaPropStg->Release();
|
|
} else {
|
|
StressStatus("* QI for IWiaPropertyStorage failed");
|
|
}
|
|
|
|
|
|
return hr;
|
|
}
|