protected override void OnMouseMove(MouseEventArgs e)
{
if (Input.MouseMove(e))
return;
base.OnMouseMove(e);
SetCursor(e);
UpdateToolTip(e);
if (ItemDragMode && Dist(e.Location, ItemDragStart) > ItemDragSensivity
&& CurrentNode != null && CurrentNode.IsSelected)
{
ItemDragMode = false;
_toolTip.Active = false;
OnItemDrag(e.Button, Selection.ToArray());
}
}