/// <summary>
/// Close and dispose all camera and DirectX stuff.
/// </summary>
public void CloseAll()
{
_bGraphIsBuilt = false;
// stop rendering
if (DX.MediaControl != null)
{
try
{
DX.MediaControl.StopWhenReady();
DX.MediaControl.Stop();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
if (_pSampleGrabberHelper != null)
{
_pSampleGrabberHelper.Dispose();
_pSampleGrabberHelper = null;
}
DX.CloseInterfaces();
}
/// <summary>
/// Adds SampleGrabber for screenshot making.
/// </summary>
private void AddFilter_SampleGrabber()
{
int hr = 0;
// Get the SampleGrabber interface
DX.SampleGrabber = new SampleGrabber() as ISampleGrabber;
// Configure the sample grabber
DX.SampleGrabberFilter = DX.SampleGrabber as IBaseFilter;
_pSampleGrabberHelper = new SampleGrabberHelper(DX.SampleGrabber, false);
_pSampleGrabberHelper.ConfigureMode();
// Add the sample grabber to the graph
hr = DX.FilterGraph.AddFilter(DX.SampleGrabberFilter, "Sample Grabber");
DsError.ThrowExceptionForHR(hr);
}
