/// <summary>;
/// Starts grabbing images from the capture device
/// </summary>
public void Start()
{
// First check if we have a valid moniker string
if (string.IsNullOrEmpty(_monikerString))
{
return;
}
// Check if we are already running
if (IsRunning)
{
// Yes, stop it first
Stop();
}
// Create new grabber
_capGrabber = new CapGrabber();
_capGrabber.PropertyChanged += new System.ComponentModel.PropertyChangedEventHandler(capGrabber_PropertyChanged);
_capGrabber.NewFrameArrived += new EventHandler(capGrabber_NewFrameArrived);
// Create manual reset event
_stopSignal = new ManualResetEvent(false);
// Start the thread
_worker = new Thread(RunWorker);
_worker.Start();
}
/// <summary>
/// Releases the capture device
/// </summary>
private void Release()
{
// Stop the thread
_worker = null;
// Clear the event
if (_stopSignal != null)
{
_stopSignal.Close();
_stopSignal = null;
}
// Clean up
_graph = null;
_sourceObject = null;
_grabberObject = null;
_grabber = null;
_capGrabber = null;
_control = null;
}
