windows-nt/Source/XPSP1/NT/windows/appcompat/shims/specific/viavoice8j.cpp
2020-09-26 16:20:57 +08:00

125 lines
2.8 KiB
C++

/*++
Copyright (c) 2002 Microsoft Corporation
Module Name:
ViaVoice8J.cpp
Abstract:
ViaVoice8J mutes Master and Wave volume on Win XP. Disable mute. ViaVoice8J
installs riched20.dll and riched32.dll. These old dll prevent enroll wizard
richedit working properly on Win XP. Remove those.
Notes:
This is an app specific shim.
History:
06/03/2002 hioh Created
--*/
#include "precomp.h"
IMPLEMENT_SHIM_BEGIN(ViaVoice8J)
#include "ShimHookMacro.h"
typedef MMRESULT (WINAPI *_pfn_mixerSetControlDetails)(HMIXEROBJ hmxobj, LPMIXERCONTROLDETAILS pmxcd, DWORD fdwDetails);
APIHOOK_ENUM_BEGIN
APIHOOK_ENUM_ENTRY(mixerSetControlDetails)
APIHOOK_ENUM_END
/*++
Disregard mute when fdwDetails is 0.
--*/
MMRESULT
APIHOOK(mixerSetControlDetails)(
HMIXEROBJ hmxobj,
LPMIXERCONTROLDETAILS pmxcd,
DWORD fdwDetails)
{
if (fdwDetails == 0) {
return (0);
}
return ORIGINAL_API(mixerSetControlDetails)(hmxobj, pmxcd, fdwDetails);
}
/*++
Remove installed \bin\riched20.dll & \bin\riched32.dll
--*/
BOOL
NOTIFY_FUNCTION(
DWORD fdwReason)
{
if (fdwReason == DLL_PROCESS_DETACH) {
CSTRING_TRY
{
HKEY hKey;
WCHAR szRegDir[] = L"SOFTWARE\\IBM\\ViaVoice Runtimes\\RTConfig";
// Get ViaVoice Registry
if (ERROR_SUCCESS == RegOpenKeyExW(HKEY_LOCAL_MACHINE, szRegDir, 0,
KEY_QUERY_VALUE, &hKey)) {
WCHAR szRegBin[] = L"bin";
DWORD dwType;
WCHAR szDir[MAX_PATH];
DWORD cbData = sizeof(szDir) * sizeof(WCHAR);
// Get installed directory
if (ERROR_SUCCESS == RegQueryValueExW(hKey, szRegBin, NULL, &dwType,
(LPBYTE) szDir, &cbData)) {
RegCloseKey(hKey);
// Delete problem richedit files
CString csDel;
csDel = szDir;
csDel += L"\\riched20.dll";
if (INVALID_FILE_ATTRIBUTES != GetFileAttributesW(csDel)) {
// Delete riched20.dll
DeleteFileW(csDel);
}
csDel = szDir;
csDel += L"\\riched32.dll";
if (INVALID_FILE_ATTRIBUTES != GetFileAttributesW(csDel)) {
// Delete riched32.dll
DeleteFileW(csDel);
}
}
}
}
CSTRING_CATCH
{
// Do nothing
}
}
return TRUE;
}
/*++
Register hooked functions
--*/
HOOK_BEGIN
CALL_NOTIFY_FUNCTION
APIHOOK_ENTRY(WINMM.DLL, mixerSetControlDetails)
HOOK_END
IMPLEMENT_SHIM_END