84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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LHVoiceXPressPlus.cpp
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Abstract:
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App passes a .hlp without path. Winhlp32 can't locate the file because
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it's not in any of the locations that winhlp32 looks at. We pass in
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the file with full path.
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History:
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01/28/2001 maonis Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(LHVoiceXPressPlus)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(WinHelpA)
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APIHOOK_ENUM_END
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BOOL
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APIHOOK(WinHelpA)(
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HWND hWndMain,
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LPCSTR lpszHelp,
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UINT uCommand,
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DWORD dwData
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)
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{
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CSTRING_TRY
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{
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CString csHelp(lpszHelp);
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if (csHelp.CompareNoCase(L"Correction.hlp") == 0)
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{
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// The way we get the directory for the app is we look into the
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// registry and get the location of the inproc server ksysint.dll.
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// Coolpad.exe always loads this dll - if you don't have this dll
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// registered, you can't run the app anyway.
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HKEY hkey;
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DWORD type;
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DWORD cbPath = MAX_PATH;
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CString csRegValue;
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WCHAR * lpszNewHelpFile = csRegValue.GetBuffer(cbPath);
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const WCHAR szInprocServer[] = L"CLSID\\{B9C12481-D072-11D0-9E80-0060976FD1F8}\\InprocServer32";
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if (RegOpenKeyExW(HKEY_CLASSES_ROOT, szInprocServer, 0, KEY_READ, &hkey) == ERROR_SUCCESS)
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{
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LONG lRet = RegQueryValueExW(hkey, NULL, 0, &type, (LPBYTE)lpszNewHelpFile, &cbPath);
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if (lRet == ERROR_SUCCESS)
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{
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RegCloseKey(hkey);
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csRegValue.ReleaseBuffer(cbPath);
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csRegValue.Replace(L"ksysint.dll", L"Correction.hlp");
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return ORIGINAL_API(WinHelpA)(hWndMain, csRegValue.GetAnsi(), uCommand, dwData);
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}
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}
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}
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}
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CSTRING_CATCH
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{
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// Do nothing
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}
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return ORIGINAL_API(WinHelpA)(hWndMain, lpszHelp, uCommand, dwData);
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}
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HOOK_BEGIN
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APIHOOK_ENTRY(USER32.DLL, WinHelpA)
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HOOK_END
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IMPLEMENT_SHIM_END
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