protected override void OnMouseUp(MouseEventArgs e)
{
TreeNodeAdvMouseEventArgs args = CreateMouseArgs(e);
if (Input is ResizeColumnState)
Input.MouseUp(args);
else
{
if (args.Node != null && args.Control != null)
args.Control.MouseUp(args);
if (!args.Handled)
Input.MouseUp(args);
base.OnMouseUp(e);
}
}