public override void OnToolWindowCreated()
{
base.OnToolWindowCreated();
control.TrackSelection = (ITrackSelection)GetService(typeof(STrackSelection));
windowFrameEventsHandler = new WindowStatus(this);
(this.Frame as IVsWindowFrame).SetProperty(
(int)__VSFPROPID.VSFPROPID_ViewHelper, windowFrameEventsHandler);
}