/// <summary>
/// Wait X milliseconds for the graph to receive the EC_COMPLETE
/// </summary>
/// <param name="msTimeout">number of milliseconds to timeout before returning, or -1 for INFINITE</param>
/// <returns>
/// Complete - Operation completed.
/// ErrorAbort - Error. Playback cannot continue.
/// UserAbort - User terminated the operation.
/// Unbuilt - Cannot execute this method
/// 0 - graph is still running
/// </returns>
public EventCode WaitForCompletion(int msTimeout)
{
if (_mediaEvent != null)
{
EventCode e;
int hr = _mediaEvent.WaitForCompletion(msTimeout, out e);
if (DsError.Succeeded(hr))
{
return(e);
}
else
{
return(0);
}
}
return(EventCode.Unbuilt);
}
void TestNotifyWindow()
{
int hr;
EventCode ec;
// Allow windows messages to be processed
do
{
Application.DoEvents();
hr = m_mediaEventEx.WaitForCompletion(100, out ec);
} while (hr == -2147467260); // timeout errors
DsError.ThrowExceptionForHR(hr);
// m_bCalled should get set in the WndProc routine
Debug.Assert(m_bCalled, "SetNotifyWindow");
}
