System.Windows.Forms.MenuTracker.OnMouseDown C# (CSharp) Method

		public bool OnMouseDown (MouseEventArgs args)
		{
			MenuItem item = GetItemAtXY (args.X, args.Y);

			mouse_down = true;

			if (item == null) {
				Deactivate ();
				return false;
			}

			if ((args.Button & MouseButtons.Left) == 0)
				return true;

			if (!item.Enabled)
				return true;
			
			popdown_menu = active && item.VisibleItems;
			
			if (item.IsPopup || (item.Parent is MainMenu)) {
				active = true;
				item.Parent.InvalidateItem (item);
			}
			
			if ((CurrentMenu == TopMenu) && !popdown_menu)
				SelectItem (item.Parent, item, item.IsPopup);
			
			//GrabControl.ActiveTracker = this;
			return true;
		}