pDC->CreateCompatibleDC(0) 出错
清水迎朝阳 博客专家认证 2009-10-26 05:06:38
file.Open(ImageFile,CFile::modeRead);
fileSize=(DWORD)file.GetLength();
BYTE *buf=new BYTE[fileSize];
file.Read(buf,fileSize);
file.Close();
HBITMAP bmp;
BITMAPFILEHEADER *pbmfh;
pbmfh=(BITMAPFILEHEADER*)buf;
bmp=CreateDIBitmap(pDC->GetSafeHdc(),
(BITMAPINFOHEADER*)(pbmfh+1),
CBM_INIT,
(BYTE*)pbmfh+pbmfh->bfOffBits,
(BITMAPINFO*)(pbmfh+1),
DIB_RGB_COLORS);
BITMAPINFOHEADER *pbminfohead=(BITMAPINFOHEADER*)(pbmfh+1);
pDC->CreateCompatibleDC(0); //运行到这里出错 提示: user breakpoint called form code at 0x7c92120e
pDC->SelectObject(bmp);
pDC->BitBlt(0,0,pbminfohead->biWidth,pbminfohead->biHeight,pDC,0,0,SRCCOPY);
请问 :为什么出错
如何改正呢
有没有更好的读取图像并显示的方法