public override void StopGraph()
{
IMediaControl mediaControl = this.graphBuilder as IMediaControl;
FilterState pfs;
mediaControl.GetState(0, out pfs);
if (pfs == FilterState.Running || pfs == FilterState.Paused)
{
int hr = mediaControl.Stop();
DsError.ThrowExceptionForHR(hr);
}
IMediaControl mediaControl2 = this.graphBuilder2 as IMediaControl;
FilterState pfs2;
mediaControl2.GetState(0, out pfs2);
if (pfs2 == FilterState.Running || pfs2 == FilterState.Paused)
{
int hr = mediaControl2.Stop();
DsError.ThrowExceptionForHR(hr);
}
}