private void toolStripButtonTest2_Click(object sender, EventArgs e)
{
this.currentGraphBuilder.StopOSD();
//GraphBuilderBDA graphBuilderBDA = this.currentGraphBuilder as GraphBuilderBDA;
//IMediaFilter mf = graphBuilderBDA.FilterGraph as IMediaFilter;
//IReferenceClock arc = graphBuilderBDA.AudioRenderer as IReferenceClock;
//int hr = mf.SetSyncSource(arc);
//IReferenceClock rc2;
//mf.GetSyncSource(out rc2);
////mf.GetSyncSource(
////IReferenceClock clock = this.audioRenderer as IReferenceClock;
////if(clock != null)
////{
//// // Set the graph clock.
//// this.FilterGraph.SetDefaultSyncSource(
//// pGraph->QueryInterface(IID_IMediaFilter, (void**)&pMediaFilter);
//// pMediaFilter->SetSyncSource(pClock);
//// pClock->Release();
//// pMediaFilter->Release();
////}
////this.FilterGraph.SetDefaultSyncSource();
////IReferenceClock clock = this.audioRenderer as IReferenceClock;
////if(clock != null)
////{
//// IMediaFilter mediaFilter = this.FilterGraph as IMediaFilter;
//// mediaFilter.SetSyncSource(clock);
////}
}