public static void CaptureScreen(MonitorInfo mi, string fileName)
{
mi.WithMonitorHdc((m, hdc) =>
{
var screenBmp = new Bitmap(m.Bounds.Width, m.Bounds.Height, PixelFormat.Format32bppArgb);
using (var destGraphics = Graphics.FromImage(screenBmp))
{
var monitorDC = new HandleRef(null, hdc);
var destDC = new HandleRef(null, destGraphics.GetHdc());
var result = BitBlt(destDC, 0, 0, m.Bounds.Width, m.Bounds.Height, monitorDC, 0, 0, unchecked ((int)BITBLT_SRCCOPY));
if (result == 0)
{
throw new Win32Exception();
}
}
screenBmp.Save(fileName);
});
}
public static Bitmap CaptureScreen(MonitorInfo mi)
{
Bitmap screenBmp = default(Bitmap);
mi.WithMonitorHdc((m, hdc) =>
{
screenBmp = new Bitmap(m.Bounds.Width, m.Bounds.Height, PixelFormat.Format32bppArgb);
using (var destGraphics = Graphics.FromImage(screenBmp))
{
var monitorDC = new HandleRef(null, hdc);
var destDC = new HandleRef(null, destGraphics.GetHdc());
var result = BitBlt(destDC, 0, 0, m.Bounds.Width, m.Bounds.Height, monitorDC, 0, 0, unchecked ((int)BITBLT_SRCCOPY));
if (result == 0)
{
throw new Win32Exception();
}
}
});
return(screenBmp);
}
