private void TestLogError()
{
int hr;
IGraphBuilder fg;
IRenderEngine ire = new RenderEngine() as IRenderEngine;
hr = ire.SetTimelineObject(m_pTimeline);
DESError.ThrowExceptionForHR(hr);
hr = ire.ConnectFrontEnd();
DESError.ThrowExceptionForHR(hr);
hr = ire.RenderOutputPins();
DESError.ThrowExceptionForHR(hr);
hr = ire.GetFilterGraph(out fg);
DESError.ThrowExceptionForHR(hr);
hr = ((IMediaControl)fg).Run();
DESError.ThrowExceptionForHR(hr);
IMediaEvent ime = fg as IMediaEvent;
EventCode evCode;
const int E_Abort = unchecked ((int)0x80004004);
do
{
System.Windows.Forms.Application.DoEvents();
System.Threading.Thread.Sleep(100);
hr = ime.WaitForCompletion(1000, out evCode);
} while (evCode == (EventCode)E_Abort);
Debug.Assert(m_Called == true, "LogError");
}