Source code of Windows XP (NT5)
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#define DONT_USE_ATL
#include "priv.h"
#include "sccls.h"
#include "atl.h"
#include <ntverp.h>
#include <ieguidp.h> // for CLSID_CDocObjectFolder
#include "ishcut.h"
#include "reload.h" // for URLDL_WNDCLASS
#include "inetnot.h" // CWinInetNotify_szWindowClass
#include <activscp.h> // IID_IActiveScriptStats
#define MLUI_INIT
#include <mluisupp.h>
#define DECL_CRTFREE
#include <crtfree.h>
#include "shfusion.h"
//
// Downlevel delay load support (we forward to shlwapi)
//
#include <delayimp.h>
STDAPI_(FARPROC) DelayloadNotifyHook(UINT iReason, PDelayLoadInfo pdli);
PfnDliHook __pfnDliFailureHook;
PfnDliHook __pfnDliNotifyHook = DelayloadNotifyHook; // notify hook is needed so that we can unload wininet.dll
HANDLE BaseDllHandle;
LONG g_cRefThisDll = 0; // per-instance
CRITICAL_SECTION g_csDll = {0}; // per-instance
HINSTANCE g_hinst = NULL;
EXTERN_C HANDLE g_hMutexHistory = NULL;
BOOL g_fRunningOnNT = FALSE;
BOOL g_bNT5Upgrade = FALSE;
BOOL g_bRunOnNT5 = FALSE;
BOOL g_bRunOnMemphis = FALSE;
BOOL g_fRunOnFE = FALSE;
UINT g_uiACP = CP_ACP;
DWORD g_dwStopWatchMode = 0; // Shell perf automation
BOOL g_bMirroredOS = FALSE; // Is Mirroring enabled
BOOL g_bBiDiW95Loc = FALSE; // needed for BiDi localized win95 RTL stuff
HMODULE g_hmodWininet = NULL; // have we loaded wininet because of a delayload thunk??
EXTERN_C HANDLE g_hSemBrowserCount;
HPALETTE g_hpalHalftone = NULL;
EXTERN_C const GUID CLSID_MsgBand;
STDAPI CMsgBand_CreateInstance(IUnknown *punkOuter, IUnknown **ppunk, LPCOBJECTINFO poi);
//
// This array holds information needed for ClassFacory.
// OLEMISC_ flags are used by shembed and shocx.
//
// PERF: this table should be ordered in most-to-least used order
//
CF_TABLE_BEGIN(g_ObjectInfo)
CF_TABLE_ENTRY(&CLSID_CDocObjectFolder, CDocObjectFolder_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY_NOFLAGS(&CLSID_CBaseBrowser, CBaseBrowser2_CreateInstance,
COCREATEONLY_NOFLAGS, OIF_ALLOWAGGREGATION),
CF_TABLE_ENTRY(&CLSID_CURLFolder, CInternetFolder_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_Internet, CInternetFolder_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_CacheFolder, CacheFolder_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_CacheFolder2, CacheFolder_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_HistFolder, HistFolder_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY_ALL(&CLSID_WebBrowser, CWebBrowserOC_CreateInstance,
&IID_IWebBrowser2, &DIID_DWebBrowserEvents2, VERSION_2,
OLEMISC_SETCLIENTSITEFIRST|OLEMISC_ACTIVATEWHENVISIBLE|OLEMISC_RECOMPOSEONRESIZE|OLEMISC_CANTLINKINSIDE|OLEMISC_INSIDEOUT,OIF_ALLOWAGGREGATION),
CF_TABLE_ENTRY(&CLSID_CUrlHistory, CUrlHistory_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_CURLSearchHook, CURLSearchHook_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY_ALL(&CLSID_WebBrowser_V1, CWebBrowserOC_CreateInstance,
&IID_IWebBrowser, &DIID_DWebBrowserEvents, VERSION_1,
OLEMISC_SETCLIENTSITEFIRST|OLEMISC_ACTIVATEWHENVISIBLE|OLEMISC_RECOMPOSEONRESIZE|OLEMISC_CANTLINKINSIDE|OLEMISC_INSIDEOUT,OIF_ALLOWAGGREGATION),
CF_TABLE_ENTRY(&CLSID_CStubBindStatusCallback, CStubBSC_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_ShellUIHelper, CShellUIHelper_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_InternetShortcut, CIntShcut_CreateInstance,
COCREATEONLY),
#ifdef ENABLE_CHANNELS
CF_TABLE_ENTRY_ALL(&CLSID_ChannelOC, ChannelOC_CreateInstance,
NULL,NULL,0,
OLEMISC_ACTIVATEWHENVISIBLE|OLEMISC_CANTLINKINSIDE|OLEMISC_INSIDEOUT,
OIF_ALLOWAGGREGATION),
#endif // ENABLE_CHANNELS
#ifndef NO_SPLASHSCREEN
CF_TABLE_ENTRY(&CLSID_IESplashScreen, CIESplashScreen_CreateInstance,
COCREATEONLY),
#endif
CF_TABLE_ENTRY(&CLSID_WinListShellProc, CWinListShellProc_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_CDFCopyHook, CCDFCopyHook_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_InternetCacheCleaner, CInternetCacheCleaner_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_OfflinePagesCacheCleaner, COfflinePagesCacheCleaner_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_TaskbarList, TaskbarList_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_DocFileInfoTip, CDocFileInfoTip_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_DocHostUIHandler, CDocHostUIHandler_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_ToolbarExtBand, CToolbarExtBand_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_ToolbarExtExec, CToolbarExtExec_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_NSCTree, CNscTree_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_FavBand, CFavBand_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_ExplorerBand, CExplorerBand_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_HistBand, CHistBand_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_MruLongList, CMruLongList_CreateInstance,
COCREATEONLY),
CF_TABLE_ENTRY(&CLSID_MruPidlList, CMruPidlList_CreateInstance,
COCREATEONLY),
CF_TABLE_END(g_ObjectInfo)
// constructor for CObjectInfo.
CObjectInfo::CObjectInfo(CLSID const* pclsidin, LPFNCREATEOBJINSTANCE pfnCreatein, IID const* piidIn,
IID const* piidEventsIn, long lVersionIn, DWORD dwOleMiscFlagsIn,
DWORD dwClassFactFlagsIn)
{
pclsid = pclsidin;
pfnCreateInstance = pfnCreatein;
piid = piidIn;
piidEvents = piidEventsIn;
lVersion = lVersionIn;
dwOleMiscFlags = dwOleMiscFlagsIn;
dwClassFactFlags = dwClassFactFlagsIn;
}
// static class factory (no allocs!)
STDMETHODIMP CClassFactory::QueryInterface(REFIID riid, void **ppvObj)
{
if (IsEqualIID(riid, IID_IClassFactory) || IsEqualIID(riid, IID_IUnknown))
{
*ppvObj = (void *)GET_ICLASSFACTORY(this);
DllAddRef();
return S_OK;
}
*ppvObj = NULL;
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG) CClassFactory::AddRef()
{
DllAddRef();
return 2;
}
STDMETHODIMP_(ULONG) CClassFactory::Release()
{
DllRelease();
return 1;
}
STDMETHODIMP CClassFactory::CreateInstance(IUnknown *punkOuter, REFIID riid, void **ppv)
{
*ppv = NULL;
if (punkOuter && !IsEqualIID(riid, IID_IUnknown))
{
// It is technically illegal to aggregate an object and request
// any interface other than IUnknown. Enforce this.
//
return CLASS_E_NOAGGREGATION;
}
else
{
LPOBJECTINFO pthisobj = (LPOBJECTINFO)this;
if (punkOuter && !(pthisobj->dwClassFactFlags & OIF_ALLOWAGGREGATION))
return CLASS_E_NOAGGREGATION;
IUnknown *punk;
HRESULT hr = pthisobj->pfnCreateInstance(punkOuter, &punk, pthisobj);
if (SUCCEEDED(hr))
{
hr = punk->QueryInterface(riid, ppv);
punk->Release();
}
ASSERT(FAILED(hr) ? *ppv == NULL : TRUE);
return hr;
}
}
STDMETHODIMP CClassFactory::LockServer(BOOL fLock)
{
if (fLock)
DllAddRef();
else
DllRelease();
TraceMsg(DM_TRACE, "sccls: LockServer(%s) to %d", fLock ? TEXT("LOCK") : TEXT("UNLOCK"), g_cRefThisDll);
return S_OK;
}
BOOL IsProxyRegisteredProperly(LPCTSTR pszInterface, LPCTSTR pszClsid)
{
TCHAR szInterface[128];
wnsprintf(szInterface, ARRAYSIZE(szInterface), TEXT("Interface\\%s\\ProxyStubClsid32"), pszInterface);
TCHAR szValue[40];
DWORD cbValue = sizeof(szValue);
return (ERROR_SUCCESS == SHGetValue(HKEY_CLASSES_ROOT, szInterface, NULL, NULL, szValue, &cbValue)) &&
(0 == StrCmpI(szValue, pszClsid));
}
// published, so invariant
#define ACTXPROXYSTUB TEXT("{B8DA6310-E19B-11D0-933C-00A0C90DCAA9}")
#define FOLDERMARSHALPROXYSTUB TEXT("{bf50b68e-29b8-4386-ae9c-9734d5117cd5}") // CLSID_FolderMarshalStub
#define ISHELLFOLDER TEXT("{000214E6-0000-0000-C000-000000000046}") // IID_IShellFolder
#define ISHELLFOLDER2 TEXT("{93F2F68C-1D1B-11D3-A30E-00C04F79ABD1}") // IID_IShellFolder2
#define IOLECOMMANDTARGET TEXT("{b722bccb-4e68-101b-a2bc-00aa00404770}") // IID_IOleCommandTarget
#define IHLINKTARGET TEXT("{79eac9c4-baf9-11ce-8c82-00aa004ba90b}") // IID_IHlinkTarget
void SHShouldRegisterActxprxy(void)
{
// IOleCommandTarget / IHlinkTarget Proxy/Stub CLSID key missing?
if (!IsProxyRegisteredProperly(IOLECOMMANDTARGET, ACTXPROXYSTUB) ||
!IsProxyRegisteredProperly(IHLINKTARGET, ACTXPROXYSTUB))
{
HINSTANCE hinst = LoadLibrary(TEXT("ACTXPRXY.DLL"));
if (hinst)
{
typedef HRESULT (WINAPI * REGSERVERPROC)(void);
REGSERVERPROC pfn = (REGSERVERPROC) GetProcAddress(hinst, "DllRegisterServer");
if (pfn)
pfn();
FreeLibrary(hinst);
}
}
// test for IShellFolder marshaler not being set to our app compat stub
if (!IsProxyRegisteredProperly(ISHELLFOLDER, FOLDERMARSHALPROXYSTUB) ||
!IsProxyRegisteredProperly(ISHELLFOLDER2, FOLDERMARSHALPROXYSTUB))
{
SHSetValue(HKEY_CLASSES_ROOT, TEXT("Interface\\") ISHELLFOLDER TEXT("\\ProxyStubClsid32"),
TEXT(""), REG_SZ, FOLDERMARSHALPROXYSTUB, sizeof(FOLDERMARSHALPROXYSTUB));
SHSetValue(HKEY_CLASSES_ROOT, TEXT("Interface\\") ISHELLFOLDER2 TEXT("\\ProxyStubClsid32"),
TEXT(""), REG_SZ, FOLDERMARSHALPROXYSTUB, sizeof(FOLDERMARSHALPROXYSTUB));
}
}
void SHCheckRegistry(void)
{
// VBE has a bug where they destroy the interface registration information of any control
// hosted in a VBE user form. Check the registry here. Only do this once.
// 17-Nov-97 [alanau/terrylu] Added a check for the IOleCommandTarget Proxy/Stub handler
//
static BOOL fNeedToCheckRegistry = TRUE;
if (fNeedToCheckRegistry)
{
fNeedToCheckRegistry = FALSE;
// This is published, so is invariant
TCHAR szValue[39];
DWORD cbValue = sizeof(szValue);
LONG rc = SHGetValue(HKEY_CLASSES_ROOT, TEXT("Interface\\{EAB22AC1-30C1-11CF-A7EB-0000C05BAE0B}\\Typelib"),
NULL, NULL, szValue, &cbValue);
if (rc == ERROR_SUCCESS)
{
// Compare the retrieved value with our typelib id.
//
if (StrCmpI(szValue, TEXT("{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}")) != 0)
{
// If different, we need to explicitly register our typelib
//
SHRegisterTypeLib();
}
}
SHShouldRegisterActxprxy();
}
}
STDAPI CInstClassFactory_Create(REFCLSID rclsid, REFIID riid, void *ppv);
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
{
SHCheckRegistry(); // patch up broken registry
*ppv = NULL;
HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;
if ((riid == IID_IClassFactory) || (riid == IID_IUnknown))
{
for (LPCOBJECTINFO pcls = g_ObjectInfo; pcls->pclsid; pcls++)
{
if (IsEqualGUID(rclsid, *(pcls->pclsid)))
{
*ppv = (void*)pcls;
DllAddRef(); // class factory holds DLL ref count
hr = S_OK;
break;
}
}
if (FAILED(hr))
{
// Try the ATL class factory
hr = AtlGetClassObject(rclsid, riid, ppv);
if (FAILED(hr))
{
// not found, see if it's an 'instance' (code + initialization)
hr = CInstClassFactory_Create(rclsid, riid, ppv);
}
}
}
else if ((riid == IID_IPSFactoryBuffer) &&
(rclsid == CLSID_FolderMarshalStub) &&
!(SHGetAppCompatFlags(ACF_APPISOFFICE) & ACF_APPISOFFICE))
{
// IID_IActiveScriptStats == CLSID_ActiveXProxy
// B8DA6310-E19B-11d0-933C-00A0C90DCAA9
hr = CoGetClassObject(IID_IActiveScriptStats, CLSCTX_INPROC_SERVER, NULL, riid, ppv);
}
return hr;
}
STDAPI DllCanUnloadNow(void)
{
if (0 != g_cRefThisDll || 0 != AtlGetLockCount())
return S_FALSE;
TraceMsg(DM_TRACE, "DllCanUnloadNow returning S_OK (bye, bye...)");
return S_OK;
}
// DllGetVersion - New for IE 4.0
//
// All we have to do is declare this puppy and CCDllGetVersion does the rest
//
DLLVER_SINGLEBINARY(VER_PRODUCTVERSION_DW, VER_PRODUCTBUILD_QFE);
#ifdef DEBUG
EXTERN_C
DWORD g_TlsMem = 0xffffffff;
#endif
void InitNFCtl()
{
INITCOMMONCONTROLSEX icc;
icc.dwSize = sizeof(icc);
icc.dwICC = ICC_NATIVEFNTCTL_CLASS;
InitCommonControlsEx(&icc);
}
//
// we use shlwapi as our delayload error handler.
// NOTE: this only works if we are statically linked to shlwapi!
//
void SetupDelayloadErrorHandler()
{
BaseDllHandle = GetModuleHandleA("shlwapi.dll");
ASSERTMSG(BaseDllHandle != NULL, "SHDOCVW must be statically linked to shlwapi.dll for delayload failure handling to work!");
__pfnDliFailureHook = (PfnDliHook)GetProcAddress((HMODULE)BaseDllHandle, "DelayLoadFailureHook");
}
//
// we use this function to see if we have loaded wininet.dll due to a delayload thunk so that we
// can free it at dll detach and therefore it will cleanup all of its crud
//
STDAPI_(FARPROC) DelayloadNotifyHook(UINT iReason, PDelayLoadInfo pdli)
{
if (iReason == dliNoteEndProcessing)
{
if (pdli &&
pdli->szDll &&
(StrCmpIA("wininet.dll", pdli->szDll) == 0))
{
// wininet was loaded!!
g_hmodWininet = pdli->hmodCur;
}
}
return NULL;
}
//
// Table of all window classes we register so we can unregister them
// at DLL unload.
//
const LPCTSTR c_rgszClasses[] = {
c_szViewClass, // dochost.cpp
URLDL_WNDCLASS, // reload.cpp
c_szShellEmbedding, // embed.cpp
TEXT("CIESplashScreen"), // splash.cpp
CWinInetNotify_szWindowClass, // inetnot.cpp
OCHOST_CLASS, // occtrl.cpp
TEXT("AutoImageResizeHost"), // airesize.cpp
TEXT("MyPicturesHost") // mypics.cpp
};
//
// Since we are single-binary, we have to play it safe and do
// this cleanup (needed only on NT, but harmless on Win95).
//
#define UnregisterWindowClasses() \
SHUnregisterClasses(HINST_THISDLL, c_rgszClasses, ARRAYSIZE(c_rgszClasses))
// IEUNIX - This function should be moved to some file used to create
// shdocvw.dll. While compiling for DLLs mainsoft will #define DllMain
// to the appropriate function being called in generated *_init.c
#if defined(MAINWIN)
STDAPI_(BOOL) DllMain_Internal(HINSTANCE hDll, DWORD dwReason, void *fProcessUnload)
#else
STDAPI_(BOOL) DllMain(HINSTANCE hDll, DWORD dwReason, void *fProcessUnload)
#endif
{
if (dwReason == DLL_PROCESS_ATTACH)
{
SHFusionInitializeFromModule(hDll);
SetupDelayloadErrorHandler();
AtlInit(hDll);
DisableThreadLibraryCalls(hDll); // perf
g_hinst = hDll;
InitializeCriticalSection(&g_csDll);
MLLoadResources(g_hinst, TEXT("shdoclc.dll"));
// Don't put it under #ifdef DEBUG
CcshellGetDebugFlags();
#ifdef DEBUG
g_TlsMem = TlsAlloc();
if (IsFlagSet(g_dwBreakFlags, BF_ONLOADED))
{
TraceMsg(TF_ALWAYS, "SHDOCVW.DLL has just loaded");
DEBUG_BREAK;
}
#endif
g_fRunningOnNT = IsOS(OS_NT);
if (g_fRunningOnNT)
g_bRunOnNT5 = IsOS(OS_WIN2000ORGREATER);
else
g_bRunOnMemphis = IsOS(OS_WIN98ORGREATER);
g_fRunOnFE = GetSystemMetrics(SM_DBCSENABLED);
g_uiACP = GetACP();
//
// Check if the mirroring APIs exist on the current
// platform.
//
g_bMirroredOS = IS_MIRRORING_ENABLED();
#ifdef WINDOWS_ME
//
// Check to see if running on BiDi localized Win95
//
g_bBiDiW95Loc = IsBiDiLocalizedWin95(FALSE);
#endif // WINDOWS_ME
InitNFCtl();
// See if perfmode is enabled
g_dwStopWatchMode = StopWatchMode();
// Cache a palette handle for use throughout shdocvw
g_hpalHalftone = SHCreateShellPalette(NULL);
SHCheckRegistry();
}
else if (dwReason == DLL_PROCESS_DETACH)
{
MLFreeResources(g_hinst);
if (g_hMutexHistory)
{
CloseHandle(g_hMutexHistory);
g_hMutexHistory = NULL;
}
if (g_hSemBrowserCount)
CloseHandle(g_hSemBrowserCount);
if (g_hpalHalftone)
DeletePalette(g_hpalHalftone);
if (g_hiconSSL)
DestroyIcon(g_hiconSSL);
if (g_hiconOffline)
DestroyIcon(g_hiconOffline);
if (g_hiconPrinter)
DestroyIcon(g_hiconPrinter);
if (fProcessUnload == NULL)
{
// DLL being unloaded, FreeLibrary() (vs process shutdown)
// at process shutdown time we can't make call outs since
// we don't know if those DLLs will still be loaded!
AtlTerm();
CUrlHistory_CleanUp();
if (g_psfInternet)
{
// Atomic Release for a C pgm.
//
IShellFolder *psfInternet = g_psfInternet;
g_psfInternet = NULL;
psfInternet->Release();
}
UnregisterWindowClasses();
if (g_fRunningOnNT && g_hmodWininet)
{
// we need to free wininet if it was loaded because of a delayload thunk.
//
// (a) we can only safely do this on NT since on win9x calling FreeLibrary during
// process detach can cause a crash (depending on what msvcrt you are using).
//
// (b) we only really need to free this module from winlogon.exe's process context
// because when we apply group policy in winlogon, MUST finally free wininet
// so that it will clean up all of its reg key and file handles.
FreeLibrary(g_hmodWininet);
}
}
SHFusionUninitialize();
DeleteCriticalSection(&g_csDll);
}
return TRUE;
}
STDAPI_(void) DllAddRef(void)
{
InterlockedIncrement(&g_cRefThisDll);
}
STDAPI_(void) DllRelease(void)
{
InterlockedDecrement(&g_cRefThisDll);
ASSERT(g_cRefThisDll >= 0); // don't underflow
}
STDAPI_(UINT) WhichPlatformFORWARD()
{
return WhichPlatform();
}
// IEUNIX
// CoCreateInstance is #defined as IECreateInstance #ifdef __cplusplus,
// so I #undef it here to prevent the recursive call.
// On Windows it works, because this file is C file.
#ifdef CoCreateInstance
#undef CoCreateInstance
#endif
HRESULT IECreateInstance(REFCLSID rclsid, IUnknown *pUnkOuter, DWORD dwClsContext, REFIID riid, void **ppv)
{
#ifndef NO_MARSHALLING
if (dwClsContext == CLSCTX_INPROC_SERVER)
{
#else
if (dwClsContext & CLSCTX_INPROC_SERVER)
{
#endif
for (LPCOBJECTINFO pcls = g_ObjectInfo; pcls->pclsid; pcls++)
{
// Note that we do pointer comparison (instead of IsEuqalGUID)
if (&rclsid == pcls->pclsid)
{
// const -> non-const expclit casting (this is OK)
IClassFactory* pcf = GET_ICLASSFACTORY(pcls);
return pcf->CreateInstance(pUnkOuter, riid, ppv);
}
}
}
// Use SHCoCreateInstanceAC to go through the app compat layer
return SHCoCreateInstanceAC(rclsid, pUnkOuter, dwClsContext, riid, ppv);
}
#ifdef DEBUG
//
// In DEBUG, make sure every class we register lives in the c_rgszClasses
// table so we can clean up properly at DLL unload. NT does not automatically
// unregister classes when a DLL unloads, so we have to do it manually.
//
STDAPI_(BOOL) SHRegisterClassD(CONST WNDCLASS *pwc)
{
for (int i = 0; i < ARRAYSIZE(c_rgszClasses); i++)
{
if (StrCmpI(c_rgszClasses[i], pwc->lpszClassName) == 0)
{
return RealSHRegisterClass(pwc);
}
}
AssertMsg(0, TEXT("Class %s needs to be added to the c_rgszClasses list"), pwc->lpszClassName);
return 0;
}
STDAPI_(ATOM) RegisterClassD(CONST WNDCLASS *pwc)
{
for (int i = 0; i < ARRAYSIZE(c_rgszClasses); i++)
{
if (StrCmpI(c_rgszClasses[i], pwc->lpszClassName) == 0)
{
return RealRegisterClass(pwc);
}
}
AssertMsg(0, TEXT("Class %s needs to be added to the c_rgszClasses list"), pwc->lpszClassName);
return 0;
}
//
// In DEBUG, send FindWindow through a wrapper that ensures that the
// critical section is not taken. FindWindow'ing for a window title
// sends inter-thread WM_GETTEXT messages, which is not obvious.
//
STDAPI_(HWND) FindWindowD(LPCTSTR lpClassName, LPCTSTR lpWindowName)
{
return FindWindowExD(NULL, NULL, lpClassName, lpWindowName);
}
STDAPI_(HWND) FindWindowExD(HWND hwndParent, HWND hwndChildAfter, LPCTSTR lpClassName, LPCTSTR lpWindowName)
{
if (lpWindowName) {
ASSERTNONCRITICAL;
}
return RealFindWindowEx(hwndParent, hwndChildAfter, lpClassName, lpWindowName);
}
#endif // DEBUG