Signum.Windows.SearchWindow.ButtonsChanged C# (CSharp) Method

        void ButtonsChanged()
        {
            bool ok = Mode == SearchMode.Find;
            spOkCancel.Visibility =  ok ? Visibility.Visible : Visibility.Collapsed;
            
            if (ok)
            {
                searchControl.DoubleClick += new Action(searchControl_DoubleClick);
            }
            else
            {
                searchControl.DoubleClick -= new Action(searchControl_DoubleClick);
            }
        }