691 lines
18 KiB
C++
691 lines
18 KiB
C++
//---------------------------------------------------------------------------
|
|
// AppInfo.cpp - manages app-level theme information
|
|
//---------------------------------------------------------------------------
|
|
#include "stdafx.h"
|
|
#include "info.h"
|
|
#include "AppInfo.h"
|
|
#include "sethook.h"
|
|
#include "services.h"
|
|
#include "themefile.h"
|
|
#include "tmreg.h"
|
|
#include "renderlist.h"
|
|
#include "nctheme.h"
|
|
#include "loader.h"
|
|
#include "tmutils.h"
|
|
//---------------------------------------------------------------------------
|
|
//---- values for _pThemeFile, besides valid ptrs ----
|
|
|
|
//---- if we have no windows open, we cannot track if theme is active ----
|
|
#define THEME_UNKNOWN NULL
|
|
|
|
//---- if we are unhooked, we no that no theme file is avail for us ----
|
|
#define THEME_NONE (CUxThemeFile *)(-1)
|
|
//---------------------------------------------------------------------------
|
|
CAppInfo::CAppInfo()
|
|
{
|
|
_fCustomAppTheme = FALSE;
|
|
_hwndPreview = NULL;
|
|
|
|
_pPreviewThemeFile = NULL;
|
|
|
|
_fFirstTimeHooksOn = TRUE;
|
|
_fNewThemeDiscovered = FALSE;
|
|
|
|
_pAppThemeFile = THEME_NONE; // no hooks
|
|
_iChangeNum = -1;
|
|
|
|
_dwAppFlags = (STAP_ALLOW_NONCLIENT | STAP_ALLOW_CONTROLS);
|
|
|
|
//---- compositing ON by default ----
|
|
_fCompositing = TRUE;
|
|
GetCurrentUserThemeInt(THEMEPROP_COMPOSITING, TRUE, &_fCompositing);
|
|
|
|
InitializeCriticalSection(&_csAppInfo);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
CAppInfo::~CAppInfo()
|
|
{
|
|
ClosePreviewThemeFile();
|
|
|
|
//---- ignore iRefCount here - force elements to be deleted ----
|
|
for (int i=0; i < _ThemeEntries.m_nSize; i++)
|
|
{
|
|
_ThemeEntries[i].pThemeFile->ValidateObj();
|
|
delete _ThemeEntries[i].pThemeFile;
|
|
}
|
|
|
|
DeleteCriticalSection(&_csAppInfo);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void CAppInfo::ResetAppTheme(int iChangeNum, BOOL fMsgCheck, BOOL *pfChanged, BOOL *pfFirstMsg)
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
if (pfChanged)
|
|
*pfChanged = FALSE;
|
|
|
|
//---- NOTE: "_pAppThemeFile" doesn't hold a refcount on the shared memory map file ----
|
|
|
|
//---- this is done so that, processes who close all of their windows but continue ----
|
|
//---- to run (like WinLogon), will not hold a refcount on old themes (since ----
|
|
//---- they never receive any more WM_THEMECHANGED msgs until they create ----
|
|
//---- another window. If we were to remove HOOKS between every theme change, ----
|
|
//---- we could use the OnHooksDisableld code to remove the theme file hold ----
|
|
//---- but design is to let hooks stay ON why we apply and unapply themes. ----
|
|
|
|
if ((iChangeNum == -1) || (_iChangeNum != iChangeNum) || (_fNewThemeDiscovered))
|
|
{
|
|
//---- new change number for this process ----
|
|
if (HOOKSACTIVE())
|
|
_pAppThemeFile = THEME_UNKNOWN;
|
|
else
|
|
_pAppThemeFile = THEME_NONE;
|
|
|
|
Log(LOG_TMCHANGE, L"ResetAppTheme - CHANGE: iChangeNum=0x%x, _pAppThemeFile=%d",
|
|
iChangeNum, _pAppThemeFile);
|
|
|
|
_iChangeNum = iChangeNum;
|
|
_fNewThemeDiscovered = FALSE;
|
|
|
|
//---- update caller's info ----
|
|
if (pfChanged)
|
|
*pfChanged = TRUE;
|
|
}
|
|
|
|
if (fMsgCheck)
|
|
{
|
|
*pfFirstMsg = FALSE;
|
|
|
|
if ((iChangeNum != -1) && (_iFirstMsgChangeNum != iChangeNum))
|
|
{
|
|
//---- new WM_THEMECHANGED_TRIGGER msg for this process ----
|
|
_iFirstMsgChangeNum = iChangeNum;
|
|
|
|
//---- update caller's info ----
|
|
*pfFirstMsg = TRUE;
|
|
}
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::HasThemeChanged()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
BOOL fChanged = _fNewThemeDiscovered;
|
|
_fNewThemeDiscovered = FALSE;
|
|
|
|
return fChanged;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void CAppInfo::ClosePreviewThemeFile()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
if (_pPreviewThemeFile)
|
|
{
|
|
CloseThemeFile(_pPreviewThemeFile);
|
|
_pPreviewThemeFile = NULL;
|
|
}
|
|
|
|
_hwndPreview = NULL;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::CompositingEnabled()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
return (_fCompositing);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT CAppInfo::LoadCustomAppThemeIfFound()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
CCurrentUser hkeyCurrentUser(KEY_READ);
|
|
|
|
RESOURCE HKEY hklm = NULL;
|
|
HTHEMEFILE hThemeFile = NULL;
|
|
HRESULT hr = S_OK;
|
|
int code32;
|
|
|
|
if (! _fFirstTimeHooksOn)
|
|
goto exit;
|
|
|
|
_fFirstTimeHooksOn = FALSE;
|
|
|
|
//---- see if this app has custom theme ----
|
|
WCHAR szCustomKey[2*MAX_PATH];
|
|
wsprintf(szCustomKey, L"%s\\%s\\%s", THEMEMGR_REGKEY,
|
|
THEMEPROP_CUSTOMAPPS, g_szProcessName);
|
|
|
|
//---- open hkcu ----
|
|
code32 = RegOpenKeyEx(hkeyCurrentUser, szCustomKey, 0, KEY_READ, &hklm);
|
|
if (code32 != ERROR_SUCCESS)
|
|
goto exit;
|
|
|
|
//---- read the "DllValue" value ----
|
|
WCHAR szDllName[MAX_PATH];
|
|
hr = RegistryStrRead(hklm, THEMEPROP_DLLNAME, szDllName, ARRAYSIZE(szDllName));
|
|
if (FAILED(hr))
|
|
goto exit;
|
|
|
|
//---- read the "color" value ----
|
|
WCHAR szColorName[MAX_PATH];
|
|
hr = RegistryStrRead(hklm, THEMEPROP_COLORNAME, szColorName, ARRAYSIZE(szColorName));
|
|
if (FAILED(hr))
|
|
*szColorName = 0;
|
|
|
|
//---- read the "size" value ----
|
|
WCHAR szSizeName[MAX_PATH];
|
|
hr = RegistryStrRead(hklm, THEMEPROP_SIZENAME, szSizeName, ARRAYSIZE(szSizeName));
|
|
if (FAILED(hr))
|
|
*szSizeName = 0;
|
|
|
|
Log(LOG_TMCHANGE, L"Custom app theme found: %s, %s, %s", szDllName, szColorName, szSizeName);
|
|
|
|
hr = ::OpenThemeFile(szDllName, szColorName, szSizeName, &hThemeFile, FALSE);
|
|
if (FAILED(hr))
|
|
goto exit;
|
|
|
|
_fCustomAppTheme = TRUE;
|
|
|
|
//---- tell every window in our process that theme has changed ----
|
|
hr = ApplyTheme(hThemeFile, AT_PROCESS, NULL);
|
|
if (FAILED(hr))
|
|
goto exit;
|
|
|
|
exit:
|
|
if (FAILED(hr))
|
|
{
|
|
if (hThemeFile)
|
|
::CloseThemeFile(hThemeFile);
|
|
}
|
|
|
|
if (hklm)
|
|
RegCloseKey(hklm);
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::AppIsThemed()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
return HOOKSACTIVE();
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::CustomAppTheme()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
return _fCustomAppTheme;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::IsSystemThemeActive()
|
|
{
|
|
HANDLE handle;
|
|
BOOL fActive = FALSE;
|
|
|
|
HRESULT hr = CThemeServices::GetGlobalTheme(&handle);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (handle)
|
|
{
|
|
fActive = TRUE;
|
|
CloseHandle(handle);
|
|
}
|
|
}
|
|
|
|
return fActive;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::WindowHasTheme(HWND hwnd)
|
|
{
|
|
//---- keep this logic in sync with "OpenWindowThemeFile()" ----
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
BOOL fHasTheme = FALSE;
|
|
|
|
if (HOOKSACTIVE())
|
|
{
|
|
//---- check for preview window match ----
|
|
if ((ISWINDOW(hwnd)) && (ISWINDOW(_hwndPreview)))
|
|
{
|
|
if ((hwnd == _hwndPreview) || (IsChild(_hwndPreview, hwnd)))
|
|
{
|
|
if (_pPreviewThemeFile)
|
|
fHasTheme = TRUE;
|
|
}
|
|
}
|
|
|
|
//---- if not preview, just use app theme file ----
|
|
if ((! fHasTheme) && (_pAppThemeFile != THEME_NONE))
|
|
{
|
|
fHasTheme = TRUE;
|
|
}
|
|
}
|
|
|
|
return fHasTheme;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT CAppInfo::OpenWindowThemeFile(HWND hwnd, CUxThemeFile **ppThemeFile)
|
|
{
|
|
//---- keep this logic in sync with "WindowHasTheme()" ----
|
|
|
|
HRESULT hr = S_OK;
|
|
CUxThemeFile *pThemeFile = NULL;
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
if (hwnd)
|
|
TrackForeignWindow(hwnd);
|
|
|
|
if (HOOKSACTIVE())
|
|
{
|
|
//---- check for preview window match ----
|
|
if ((ISWINDOW(hwnd)) && (ISWINDOW(_hwndPreview)))
|
|
{
|
|
if ((hwnd == _hwndPreview) || (IsChild(_hwndPreview, hwnd)))
|
|
{
|
|
if (_pPreviewThemeFile)
|
|
{
|
|
//---- bump ref count ----
|
|
hr = BumpRefCount(_pPreviewThemeFile);
|
|
if (FAILED(hr))
|
|
goto exit;
|
|
|
|
pThemeFile = _pPreviewThemeFile;
|
|
}
|
|
}
|
|
}
|
|
|
|
//---- if not preview, just use app theme file ----
|
|
if ((! pThemeFile) && (_pAppThemeFile != THEME_NONE))
|
|
{
|
|
if (_pAppThemeFile == THEME_UNKNOWN || !_pAppThemeFile->IsReady())
|
|
{
|
|
HANDLE handle = NULL;
|
|
|
|
hr = CThemeServices::GetGlobalTheme(&handle);
|
|
if (FAILED(hr))
|
|
goto exit;
|
|
|
|
Log(LOG_TMCHANGE, L"New App Theme handle=0x%x", handle);
|
|
|
|
if (handle)
|
|
{
|
|
//---- get a shared CUxThemeFile object for the handle ----
|
|
hr = OpenThemeFile(handle, &pThemeFile);
|
|
if (FAILED(hr))
|
|
{
|
|
// Since it's the global theme, no need to clean stock objects
|
|
CloseHandle(handle);
|
|
goto exit;
|
|
}
|
|
|
|
//---- set our app theme file ----
|
|
_pAppThemeFile = pThemeFile;
|
|
|
|
//---- update our cached change number to match ----
|
|
_iChangeNum = GetLoadIdFromTheme(_pAppThemeFile);
|
|
_fNewThemeDiscovered = TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//---- bump ref count ----
|
|
hr = BumpRefCount(_pAppThemeFile);
|
|
if (FAILED(hr))
|
|
goto exit;
|
|
|
|
pThemeFile = _pAppThemeFile;
|
|
}
|
|
}
|
|
}
|
|
|
|
exit:
|
|
if (pThemeFile)
|
|
{
|
|
*ppThemeFile = pThemeFile;
|
|
}
|
|
else
|
|
{
|
|
hr = MakeError32(ERROR_NOT_FOUND);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
DWORD CAppInfo::GetAppFlags()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
return _dwAppFlags;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void CAppInfo::SetAppFlags(DWORD dwFlags)
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
_dwAppFlags = dwFlags;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void CAppInfo::SetPreviewThemeFile(HANDLE handle, HWND hwnd)
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
ClosePreviewThemeFile();
|
|
|
|
//---- set new file ----
|
|
if (handle)
|
|
{
|
|
HRESULT hr = OpenThemeFile(handle, &_pPreviewThemeFile);
|
|
if (FAILED(hr))
|
|
{
|
|
// We don't own the handle, so no clean up
|
|
Log(LOG_ALWAYS, L"Failed to add theme file to list");
|
|
_pPreviewThemeFile = NULL;
|
|
}
|
|
}
|
|
|
|
_hwndPreview = hwnd;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HWND CAppInfo::PreviewHwnd()
|
|
{
|
|
CAutoCS cs(&_csAppInfo);
|
|
|
|
return _hwndPreview;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
//---------------------------------------------------------------------------
|
|
// If we fail, dont return a theme file and let the caller clean up
|
|
//---------------------------------------------------------------------------
|
|
HRESULT CAppInfo::OpenThemeFile(HANDLE handle, CUxThemeFile **ppThemeFile)
|
|
{
|
|
CAutoCS autoCritSect(&_csAppInfo);
|
|
CUxThemeFile *pFile = NULL;
|
|
HRESULT hr = S_OK;
|
|
|
|
BOOL fGotit = FALSE;
|
|
|
|
if (! handle)
|
|
{
|
|
hr = MakeError32(ERROR_INVALID_HANDLE);
|
|
goto exit;
|
|
}
|
|
|
|
for (int i=0; i < _ThemeEntries.m_nSize; i++)
|
|
{
|
|
THEME_FILE_ENTRY *pEntry = &_ThemeEntries[i];
|
|
|
|
pEntry->pThemeFile->ValidateObj();
|
|
|
|
if (pEntry->pThemeFile->_hMemoryMap == handle)
|
|
{
|
|
pEntry->iRefCount++;
|
|
fGotit = TRUE;
|
|
*ppThemeFile = pEntry->pThemeFile;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (! fGotit)
|
|
{
|
|
pFile = new CUxThemeFile;
|
|
if (! pFile)
|
|
{
|
|
hr = MakeError32(E_OUTOFMEMORY);
|
|
goto exit;
|
|
}
|
|
|
|
hr = pFile->OpenFromHandle(handle);
|
|
if (FAILED(hr))
|
|
{
|
|
goto exit;
|
|
}
|
|
|
|
THEME_FILE_ENTRY entry = {1, pFile};
|
|
|
|
if (! _ThemeEntries.Add(entry))
|
|
{
|
|
hr = MakeError32(E_OUTOFMEMORY);
|
|
goto exit;
|
|
}
|
|
|
|
pFile->ValidateObj();
|
|
*ppThemeFile = pFile;
|
|
}
|
|
|
|
exit:
|
|
if ((FAILED(hr)) && (pFile))
|
|
{
|
|
delete pFile;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
HRESULT CAppInfo::BumpRefCount(CUxThemeFile *pThemeFile)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
CAutoCS autoCritSect(&_csAppInfo);
|
|
|
|
pThemeFile->ValidateObj();
|
|
|
|
BOOL fGotit = FALSE;
|
|
|
|
for (int i=0; i < _ThemeEntries.m_nSize; i++)
|
|
{
|
|
THEME_FILE_ENTRY *pEntry = &_ThemeEntries[i];
|
|
|
|
pEntry->pThemeFile->ValidateObj();
|
|
|
|
if (pEntry->pThemeFile == pThemeFile)
|
|
{
|
|
pEntry->iRefCount++;
|
|
fGotit = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (! fGotit)
|
|
hr = MakeError32(ERROR_NOT_FOUND);
|
|
|
|
return hr;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void CAppInfo::CloseThemeFile(CUxThemeFile *pThemeFile)
|
|
{
|
|
CAutoCS autoCritSect(&_csAppInfo);
|
|
|
|
BOOL fGotit = FALSE;
|
|
|
|
pThemeFile->ValidateObj();
|
|
|
|
for (int i=0; i < _ThemeEntries.m_nSize; i++)
|
|
{
|
|
THEME_FILE_ENTRY *pEntry = &_ThemeEntries[i];
|
|
|
|
pEntry->pThemeFile->ValidateObj();
|
|
|
|
if (pEntry->pThemeFile == pThemeFile)
|
|
{
|
|
pEntry->iRefCount--;
|
|
fGotit = TRUE;
|
|
|
|
if (! pEntry->iRefCount)
|
|
{
|
|
//---- clear app themefile? ----
|
|
if (pEntry->pThemeFile == _pAppThemeFile)
|
|
{
|
|
_pAppThemeFile = THEME_UNKNOWN;
|
|
}
|
|
|
|
delete pEntry->pThemeFile;
|
|
_ThemeEntries.RemoveAt(i);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (! fGotit)
|
|
Log(LOG_ERROR, L"Could not find ThemeFile in list: 0x%x", pThemeFile);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
#ifdef DEBUG
|
|
void CAppInfo::DumpFileHolders()
|
|
{
|
|
CAutoCS autoCritSect(&_csAppInfo);
|
|
|
|
if (LogOptionOn(LO_TMHANDLE))
|
|
{
|
|
int iCount = _ThemeEntries.m_nSize;
|
|
|
|
if (! iCount)
|
|
{
|
|
Log(LOG_TMHANDLE, L"---- No CUxThemeFile objects ----");
|
|
}
|
|
else
|
|
{
|
|
Log(LOG_TMHANDLE, L"---- Dump of %d CUxThemeFile objects ----", iCount);
|
|
|
|
for (int i=0; i < _ThemeEntries.m_nSize; i++)
|
|
{
|
|
THEME_FILE_ENTRY *pEntry = &_ThemeEntries[i];
|
|
pEntry->pThemeFile->ValidateObj();
|
|
|
|
if (pEntry->pThemeFile)
|
|
{
|
|
CUxThemeFile *tf = pEntry->pThemeFile;
|
|
THEMEHDR *th = (THEMEHDR *)tf->_pbThemeData;
|
|
|
|
Log(LOG_TMHANDLE, L"CUxThemeFile[%d]: refcnt=%d, memfile=%d",
|
|
i, pEntry->iRefCount, th->iLoadId);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::TrackForeignWindow(HWND hwnd)
|
|
{
|
|
CAutoCS autoCritSect(&_csAppInfo);
|
|
|
|
WCHAR szDeskName[MAX_PATH] = {0};
|
|
BOOL fForeign = TRUE;
|
|
|
|
//---- get desktop name for window ----
|
|
if (GetWindowDesktopName(hwnd, szDeskName, ARRAYSIZE(szDeskName)))
|
|
{
|
|
if (AsciiStrCmpI(szDeskName, L"default")==0)
|
|
{
|
|
fForeign = FALSE;
|
|
}
|
|
}
|
|
|
|
if (fForeign)
|
|
{
|
|
BOOL fNeedToAdd = TRUE;
|
|
|
|
//---- see if we already know about this window ----
|
|
for (int i=0; i < _ForeignWindows.m_nSize; i++)
|
|
{
|
|
if (_ForeignWindows[i] == hwnd)
|
|
{
|
|
fNeedToAdd = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (fNeedToAdd)
|
|
{
|
|
if (_ForeignWindows.Add(hwnd))
|
|
{
|
|
//Log(LOG_TMHANDLE, L"**** ADDED Foreign Window: hwnd=0x%x, desktop=%s ****", hwnd, szDeskName);
|
|
}
|
|
else
|
|
{
|
|
Log(LOG_TMHANDLE, L"Could not add foreign window=0x%x to tracking list", hwnd);
|
|
}
|
|
}
|
|
}
|
|
|
|
return fForeign;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::OnWindowDestroyed(HWND hwnd)
|
|
{
|
|
CAutoCS autoCritSect(&_csAppInfo);
|
|
|
|
BOOL fFound = FALSE;
|
|
|
|
//---- remove from the foreign list, if present ----
|
|
for (int i=0; i < _ForeignWindows.m_nSize; i++)
|
|
{
|
|
if (_ForeignWindows[i] == hwnd)
|
|
{
|
|
_ForeignWindows.RemoveAt(i);
|
|
|
|
fFound = TRUE;
|
|
//Log(LOG_TMHANDLE, L"**** REMOVED Foreign Window: hwnd=0x%x", hwnd);
|
|
break;
|
|
}
|
|
}
|
|
|
|
//---- see if preview window went away ----
|
|
if ((_hwndPreview) && (hwnd == _hwndPreview))
|
|
{
|
|
ClosePreviewThemeFile();
|
|
}
|
|
|
|
|
|
return fFound;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
BOOL CAppInfo::GetForeignWindows(HWND **ppHwnds, int *piCount)
|
|
{
|
|
CAutoCS autoCritSect(&_csAppInfo);
|
|
|
|
//---- note: we don't see window creates (OpenThemeData) and ----
|
|
//---- destroys (WM_NCDESTROY) when hooks are off; therefore ----
|
|
//---- this data may be incomplete. hopefully, vtan or USER ----
|
|
//---- can give us a more reliable way to enumerate windows ----
|
|
//---- on secured desktops ----
|
|
|
|
//---- validate windows in list, from last to first ----
|
|
int i = _ForeignWindows.m_nSize;
|
|
while (--i >= 0)
|
|
{
|
|
if (! IsWindow(_ForeignWindows[i]))
|
|
{
|
|
_ForeignWindows.RemoveAt(i);
|
|
}
|
|
}
|
|
|
|
BOOL fOk = FALSE;
|
|
int iCount = _ForeignWindows.m_nSize;
|
|
|
|
if (iCount)
|
|
{
|
|
//---- allocate memory to hold window list ----
|
|
HWND *pHwnds = new HWND[iCount];
|
|
if (pHwnds)
|
|
{
|
|
//---- copy windows to caller's new list ----
|
|
for (int i=0; i < iCount; i++)
|
|
{
|
|
pHwnds[i] = _ForeignWindows[i];
|
|
}
|
|
|
|
*ppHwnds = pHwnds;
|
|
*piCount = iCount;
|
|
fOk = TRUE;
|
|
}
|
|
}
|
|
|
|
return fOk;
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
|
|
|