GDI+播放GIF动图

TCHAR szModule[MAX_PATH] = {0};
	GetModuleFileName(NULL,szModule,MAX_PATH);
	PathRemoveFileSpec(szModule);
	PathAppend(szModule,L"success.gif");
	Image img(szModule);
	UINT nCount = img.GetFrameDimensionsCount();
	GUID* pDimensionsIDs = (GUID*)new GUID[nCount];
	img.GetFrameDimensionsList(pDimensionsIDs,nCount);
	TCHAR strGUID[39]={0};
	StringFromGUID2(pDimensionsIDs[0],strGUID,39);
	UINT nFrameCount = img.GetFrameCount(&pDimensionsIDs[0]);
	delete[] pDimensionsIDs;

	int size = img.GetPropertyItemSize(PropertyTagFrameDelay);
	byte* p = new byte[size];
	PropertyItem*  pItem = (PropertyItem*)p;
	img.GetPropertyItem(PropertyTagFrameDelay,size, pItem);

	int fcount = 0;
	GUID guid = FrameDimensionTime;
	HDC hDC = ::GetDC(pDlg->GetSafeHwnd());
	while(TRUE)
	{
		Graphics gc(hDC);
		gc.DrawImage(&img,0,0,img.GetWidth(),img.GetHeight());

		img.SelectActiveFrame(&guid,fcount++);
		if (fcount == nFrameCount)
		{
			fcount = 0;
		}
		long pause = ((long*)pItem->value)[fcount]*10;
		Sleep(pause);
	}
	::ReleaseDC(pDlg->GetSafeHwnd(),hDC);