private CapturingThreadData _capturingThreadData; // data to exchange between form and capturing thread
public Form1()
{
InitializeComponent();
_capturingThreadData = new CapturingThreadData();
cmbCapturingType.SelectedIndex = 0;
}
public static void ThreadProc(Object obj)
{
CapturingThreadData data = (CapturingThreadData)obj;
data.Success = true;
// Prepare Capturer:
Capturer capturer = new Capturer(); // create new screen capturer object
capturer.RegistrationName = "demo";
capturer.RegistrationKey = "demo";
capturer.CaptureRectLeft = data.CaptureRectangle.Left;
capturer.CaptureRectTop = data.CaptureRectangle.Top;
capturer.CaptureRectWidth = data.CaptureRectangle.Width;
capturer.CaptureRectHeight = data.CaptureRectangle.Height;
capturer.OutputWidth = 640;
capturer.OutputHeight = 480;
// WMV and WEBM output use WMVVideoBitrate property to control output video bitrate
// so try to increase it by x2 or x3 times if you think the output video are you are getting is laggy
// capturer.WMVVideoBitrate = capturer.WMVVideoBitrate * 2;
capturer.CaptureRectWidth = 320;
capturer.CaptureRectHeight = 240;
data.TempFile = Path.GetTempFileName();
data.TempFile = Path.ChangeExtension(data.TempFile, ".wmv");
capturer.OutputFileName = data.TempFile;
capturer.CapturingType = data.CaptureType;
// set border around captured area if we are not capturing entire screen
if (capturer.CapturingType != CaptureAreaType.catScreen &&
capturer.CapturingType != CaptureAreaType.catWebcamFullScreen)
{
capturer.CaptureAreaBorderType = CaptureAreaBorderType.cabtDashed;
capturer.CaptureAreaBorderColor = (uint)ColorTranslator.ToOle(Color.Red);
}
// Wait for events:
WaitHandle[] events = new WaitHandle[] { data.StartOrResumeEvent, data.PauseEvent, data.StopEvent };
try
{
while (true)
{
int i = WaitHandle.WaitAny(events);
if (events[i] == data.StartOrResumeEvent)
{
if (!capturer.IsRunning)
{
capturer.Run();
}
}
else if (events[i] == data.PauseEvent)
{
if (capturer.IsRunning)
{
capturer.Pause();
}
}
else if (events[i] == data.StopEvent)
{
capturer.Stop();
break;
}
}
}
catch (Exception ex)
{
data.ErrorText = ex.Message;
data.Success = false;
}
finally
{
// Release resources
Marshal.ReleaseComObject(capturer);
}
}
