private void oToolTipTracker_HideToolTip(object oSource, ToolTipTrackerEventArgs oToolTipTrackerEventArgs)
 {
     if (this.m_bShowToolTips)
     {
         this.HideToolTip();
     }
 }
        private void oToolTipTracker_ShowToolTip(object oSource, ToolTipTrackerEventArgs oToolTipTrackerEventArgs)
        {
            Node node = (Node)oToolTipTrackerEventArgs.Object;

            Debug.Assert(node != null);
            if (this.m_bShowToolTips)
            {
                this.ShowToolTip(node);
            }
            if (this.NodeMouseHover != null)
            {
                this.NodeMouseHover(this, new NodeEventArgs(node));
            }
        }