bool muiIsDwmEnabled()
{
if (!ImportDWM())
return false; // Windows XP
if (pSetWindowCompositionAttribute) // Windows 8/8.1/10: DWM is always enabled
return true;
BOOL bEnabled = FALSE; // Windows Vista/7: Ask if DWM is on
if (FAILED(pDwmIsCompositionEnabled(&bEnabled)))
return false;
return bEnabled != FALSE;
}
BOOL IsCompositionEnabled()
{
// check Composition is Enabled
BOOL bCompositionEnabled = false;
if (IsWinVistaOrLater()) {
HRESULT (__stdcall * pDwmIsCompositionEnabled)(__out BOOL* pfEnabled);
pDwmIsCompositionEnabled = NULL;
HMODULE hDWMAPI = LoadLibrary(L"dwmapi.dll");
if (hDWMAPI) {
(FARPROC &)pDwmIsCompositionEnabled = GetProcAddress(hDWMAPI, "DwmIsCompositionEnabled");
if (pDwmIsCompositionEnabled) {
pDwmIsCompositionEnabled(&bCompositionEnabled);
}
FreeLibrary(hDWMAPI);
}
}
return bCompositionEnabled;
}
