public bool Start(int DeviceNo)
{
try {
FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
MonikerString = videoDevices[DeviceNo].MonikerString;
_videoSource = new VideoCaptureDevice(MonikerString);
VideoSource = new MyAsyncVideoSource(_videoSource, true);
//SetMaxResolution();
VideoSource.NewFrame += NewFrame;
VideoSource.Start();
FrameNumber = 0;
// measure range
int min,max,step,def;
CameraControlFlags ccflags;
VideoProcAmpFlags vpflags;
_videoSource.GetCameraPropertyRange(CameraControlProperty.Exposure, out min, out max, out step, out def, out ccflags);
ExposureRange = String.Format("{0} to {1})", min, max, step);
_videoSource.GetVideoPropertyRange(VideoProcAmpProperty.Brightness, out min, out max, out step, out def, out vpflags);
BrightnessRange = String.Format("{0} to {1})", min, max, step);
timer.Elapsed += delegate {
FPSReceived = VideoSource.FramesReceived;
FPSProcessed = VideoSource.FramesProcessed;
};
timer.Start();
return VideoSource.IsRunning;
} catch {
return false;
}
}