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http://blog.163.com/smxliujianghui/blog/static/293983112009024349410/
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re:=SendMessage(hWndC,WM_CAP_GET_VIDEOFORMAT,sizeof(binfo),Integer(@binfo));
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binfo.bmiHeader.biSize:= SizeOf(binfo.bmiHeader);
binfo.bmiHeader.biWidth:=Panel1.Width;
binfo.bmiHeader.biHeight:=Panel1.Height;
binfo.bmiHeader.biCompression:=BI_RGB;
binfo.bmiHeader.biPlanes:=1;
binfo.bmiHeader.biBitCount:=16;
binfo.bmiHeader.biSizeImage:= (((Panel1.Width * binfo.bmiHeader.biBitCount) + 31) div 32) * 4 * Panel1.Height;
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re :=SendMessage(hWndc,WM_CAP_SET_VIDEOFORMAT,sizeof(binfo),Integer(@binfo));
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