HDC hScreenDC = GetDC(nullptr); // CreateDC(“DISPLAY”,nullptr,nullptr,nullptr); HDC hMemoryDC = CreateCompatibleDC(hScreenDC); int width = GetDeviceCaps(hScreenDC,HORZRES); int height = GetDeviceCaps(hScreenDC,VERTRES); HBITMAP hBitmap = CreateCompatibleBitmap(hScreenDC,width,height); HBITMAP hOldBitmap = static_cast<HBITMAP>(SelectObject(hMemoryDC,hBitmap)); BitBlt(hMemoryDC,0,0,width,height,hScreenDC,0,0,SRCCOPY); hBitmap = static_cast<HBITMAP>(SelectObject(hMemoryDC,hOldBitmap)); DeleteDC(hMemoryDC); DeleteDC(hScreenDC);