CBitmap bitmap;
bitmap.CreateCompatibleBitmap(&dc, nWidth, nHeight);
CBitmap* pOldBitmap = MemDC.SelectObject(&bitmap); OnDraw(&MemDC);
dc.BitBlt(0,0,1000,1000,&MemDC,0,0,SRCCOPY); MemDC.SelectObject(pOldBitmap);
bitmap.DeleteObject();
MemDC.DeleteDC();
bitmap.CreateCompatibleBitmap(&dc, nWidth, nHeight);
CBitmap* pOldBitmap = MemDC.SelectObject(&bitmap); OnDraw(&MemDC);
dc.BitBlt(0,0,1000,1000,&MemDC,0,0,SRCCOPY); MemDC.SelectObject(pOldBitmap);
bitmap.DeleteObject();
MemDC.DeleteDC();
解决方案 »
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