182 lines
4.6 KiB
C++
182 lines
4.6 KiB
C++
// About.cpp
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//
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// The About window implementation.
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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 <ntverp.h>
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#include "About.h"
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#include "resrc1.h"
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/*
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* LoadAboutString - Retrieves the string enumerated nResourceID from
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* the StringTable in resource file MSInfo.rc, returning an
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* allocated pointer in pAboutData.
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*
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* Return codes:
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* E_POINTER - Invalid pAboutData pointer.
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* E_OUTOFMEMORY - Failed CoTaskMemAlloc
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* S_OK - Successful completion.
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*
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* Notes:
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* The memory pointed to by lpAboutData will need to be freed with
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* CoMemTaskFree.
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*
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* History: a-jsari 8/26/97 Initial version
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*/
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HRESULT CAboutImpl::LoadAboutString(UINT nResourceID, LPOLESTR *pAboutData)
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{
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if (pAboutData == NULL)
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return E_POINTER;
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CString s;
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// Needed for Loadstring
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AFX_MANAGE_STATE(AfxGetStaticModuleState());
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s.LoadString(nResourceID);
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*pAboutData = reinterpret_cast<LPOLESTR>
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(CoTaskMemAlloc((s.GetLength() + 1)* sizeof(wchar_t)));
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if (*pAboutData == NULL)
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return E_OUTOFMEMORY;
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USES_CONVERSION;
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wcscpy(*pAboutData, OLESTR_FROM_CSTRING(s));
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return S_OK;
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}
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/*
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* GetSnapinDescription - Return an allocated pointer to the Resource file
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* String Table's IDS_DESCRIPTION string in lpDescription.
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*
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* Return codes:
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* E_POINTER - Invalid lpAboutData pointer.
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* E_OUTOFMEMORY - Failed CoTaskMemAlloc
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* S_OK - Successful completion.
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*
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* Notes:
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* The memory pointed to by lpDescription will need to be freed with
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* CoMemTaskFree.
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*
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* History: a-jsari 8/26/97 Initial version.
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*/
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STDMETHODIMP CAboutImpl::GetSnapinDescription(LPOLESTR *lpDescription)
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{
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return LoadAboutString(IDS_ROOT_NODE_DESCRIPTION, lpDescription);
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}
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/*
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* GetProvider - Return an allocated pointer to the Resource file
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* String Table's IDS_DESCRIPTION string in lpProvider.
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*
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* Return codes:
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* E_POINTER - Invalid lpAboutData pointer.
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* E_OUTOFMEMORY - Failed CoTaskMemAlloc
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* S_OK - Successful completion.
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*
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* Notes:
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* The memory pointed to by lpProvider will need to be freed with
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* CoMemTaskFree.
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*
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* History: a-jsari 8/26/97 Initial version.
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*/
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STDMETHODIMP CAboutImpl::GetProvider(LPOLESTR *lpProvider)
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{
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return LoadAboutString(IDS_COMPANY, lpProvider);
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}
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/*
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* GetSnapinVersion - Return an allocated pointer to the Resource file
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* String Table's IDS_VERSION string in lpVersion.
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*
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* Return codes:
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* E_POINTER - Invalid lpAboutData pointer.
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* E_OUTOFMEMORY - Failed CoTaskMemAlloc
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* S_OK - Successful completion.
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*
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* Notes:
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* The memory pointed to by lpVersion will need to be freed with
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* CoMemTaskFree.
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*
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* History: a-jsari 8/26/97 Initial version.
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*/
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STDMETHODIMP CAboutImpl::GetSnapinVersion(LPOLESTR *lpVersion)
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{
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ASSERT(lpVersion != NULL);
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USES_CONVERSION;
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LPTSTR szVersion = A2T(VER_PRODUCTVERSION_STRING);
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*lpVersion = (LPOLESTR)::CoTaskMemAlloc((::_tcslen(szVersion) + 1) * sizeof(TCHAR));
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if (*lpVersion == NULL) return E_OUTOFMEMORY;
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::_tcscpy(*lpVersion, szVersion);
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return S_OK;
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}
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/*
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* GetSnapinImage - Takes the Application Icon resource and puts it in
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* hAppIcon.
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*
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* Return Codes:
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* E_POINTER - Invalid hAppIcon pointer.
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* E_FAIL - Failed LoadIcon.
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* S_OK - Successful completion
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*
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* History: a-jsari 8/26/97 Initial version.
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*/
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STDMETHODIMP CAboutImpl::GetSnapinImage(HICON *hAppIcon)
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{
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if (hAppIcon == NULL)
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return E_POINTER;
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AFX_MANAGE_STATE(AfxGetStaticModuleState());
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*hAppIcon = LoadIcon(AfxGetInstanceHandle(), MAKEINTRESOURCE(IDI_MSINFO));
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ASSERT(*hAppIcon != NULL);
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return (*hAppIcon != NULL) ? S_OK : E_FAIL;
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}
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/*
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* GetStaticFolderImage - Returns pointers to the
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*
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* Return Codes:
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* E_POINTER - Invalid hSmallImage, hSmallImageOpen, hLargeImage, or cLargeMask
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* pointer.
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* S_OK - Always
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*
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* History: a-jsari 8/26/97 Initial version.
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*/
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STDMETHODIMP CAboutImpl::GetStaticFolderImage(HBITMAP *hSmallImage,
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HBITMAP *hSmallImageOpen,
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HBITMAP *hLargeImage,
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COLORREF *cLargeMask)
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{
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AFX_MANAGE_STATE(AfxGetStaticModuleState());
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HINSTANCE hInst = ::AfxGetInstanceHandle();
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if (hSmallImage == NULL || hSmallImageOpen == NULL || hLargeImage == NULL || cLargeMask == NULL)
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return E_POINTER;
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HBITMAP hSmall = (HBITMAP) LoadBitmap(hInst, MAKEINTRESOURCE(IDB_ICON16));
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if (hSmall)
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*hSmallImage = hSmall;
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hSmall = (HBITMAP) LoadBitmap(hInst, MAKEINTRESOURCE(IDB_ICON16));
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if (hSmall)
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*hSmallImageOpen = hSmall;
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HBITMAP hNormal = (HBITMAP) LoadBitmap(hInst, MAKEINTRESOURCE(IDB_ICON32));
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if (hNormal)
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*hLargeImage = hNormal;
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*cLargeMask = RGB(255,0,255); // background mask
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return S_OK;
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}
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