AnimatGuiCtrls.Controls.TimeRuler.OnHandleDestroyed C# (CSharp) 메소드

		protected override void OnHandleDestroyed(EventArgs e)
		{
			base.OnHandleDestroyed (e);
			try
			{
				if (_bMouseTrackingOn) Application.RemoveMessageFilter(this);
			} 
			catch {}
		}