91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
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// DOManage.cpp - The snap-in manager-specific version of
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// CDataObject
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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#include "StdAfx.h"
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#include "DataObj.h"
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/*
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* CreateDisplayName - Return the text that displays as the root node
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* for the snap-in.
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*
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* History: a-jsari 9/28/97
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*
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* Note: The hGlobal in lpMedium must be freed by the caller. (See Create for
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* details).
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*/
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HRESULT CManagerDataObject::CreateDisplayName(LPSTGMEDIUM lpMedium)
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{
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CString strDisplayName;
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AFX_MANAGE_STATE(AfxGetStaticModuleState());
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USES_CONVERSION;
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CDataSource *pDataSource = pSource();
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if (pDataSource == NULL)
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{
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FORMATETC fmtMachine = {(CLIPFORMAT) CDataObject::m_cfMachineName, NULL, DVASPECT_CONTENT, TYMED_HGLOBAL};
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STGMEDIUM stgMachine;
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stgMachine.tymed = TYMED_HGLOBAL;
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stgMachine.hGlobal = ::GlobalAlloc(GMEM_MOVEABLE, (MAX_PATH + 1)* sizeof(WCHAR));
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stgMachine.pUnkForRelease = NULL;
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HRESULT hr = GetDataHere(&fmtMachine, &stgMachine);
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if (hr == S_OK)
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{
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CString strMachine = W2T((LPWSTR)::GlobalLock(stgMachine.hGlobal));
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::GlobalUnlock(stgMachine.hGlobal);
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HGLOBAL hGlobal = ::GlobalFree(stgMachine.hGlobal);
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ASSERT(hGlobal == NULL);
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if (strMachine.Left(2) != CString(_T("\\\\")))
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strMachine = CString(_T("\\\\")) + strMachine;
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strDisplayName.Format(IDS_NODENAME, strMachine);
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}
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else
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strDisplayName.LoadString(IDS_DESCRIPTION);
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}
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else
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{
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VERIFY(pSource()->GetNodeName(strDisplayName));
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}
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return Create(reinterpret_cast<const void *>(WSTR_FROM_CSTRING(strDisplayName)),
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((strDisplayName.GetLength() + 1) * sizeof(WCHAR)), lpMedium);
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}
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/*
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* CreateNodeTypeData - Return the NodeType for the root node in lpMedium's
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* hGlobal pointer.
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*
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* History: a-jsari 9/28/97 Initial version
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*
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* Note: The hGlobal in lpMedium must be freed by the caller. (See Create for
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* details).
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*/
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HRESULT CManagerDataObject::CreateNodeTypeData(LPSTGMEDIUM pMedium)
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{
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// Create the node type object in GUID format
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return Create(reinterpret_cast<const void *>(&cNodeTypeStatic), sizeof(GUID), pMedium);
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}
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/*
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* CreateNodeTypeStringData - Return the root node's NodeType in string form
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* in lpMedium's hGlobal pointer
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*
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* History: a-jsari 9/28/97 Initial version
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*
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* Note: The hGlobal in lpMedium must be freed by the caller. (See Create for
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* details).
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*/
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HRESULT CManagerDataObject::CreateNodeTypeStringData(LPSTGMEDIUM pMedium)
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{
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USES_CONVERSION;
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return Create(WSTR_FROM_CSTRING(cszNodeTypeStatic),
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((_tcslen(cszNodeTypeStatic) + 1) * sizeof(WCHAR)), pMedium);
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}
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