/// <summary>
/// 停止
/// </summary>
public void Stop()
{
CheckAlive();
Status = GraphState.Stopped;
MediaControl.Stop();
long pos = 0;
MediaSeeking.SetPositions(ref pos, AMSeekingSeekingFlags.AbsolutePositioning, ref pos, AMSeekingSeekingFlags.NoPositioning);
MediaControl.StopWhenReady();
if (MediaStop != null)
{
MediaStop(this, EventArgs.Empty);
}
}