从Graphics 中获取Bitmap图像

从Graphics 中获取Bitmap图像

CDC dcTmp;

HDC hDc= graph.GetHDC(); /// <会被加锁>

dcTmp.Attach(hDc);

CBitmap *pBmp = dcTmp.GetCurrentBitmap();

HBITMAP hBITMAP = (HBITMAP)pBmp->GetSafeHandle();

Bitmap bitmap(hBITMAP, 0);

dcTmp.Detach(); /// <释放>

graph.ReleaseHDC(hDc); /// <解锁>