Petzold.SelectColor.ColorGrid.OnMouseUp C# (CSharp) Метод

        protected override void OnMouseUp(MouseButtonEventArgs args)
        {
            base.OnMouseUp(args);
            ColorCell cell = args.Source as ColorCell;
            if (cell != null)
            {
                if (cellSelected != null)
                    cellSelected.IsSelected = false;

                cellSelected = cell;
                cellSelected.IsSelected = true;

                clrSelected = (cellSelected.Brush as SolidColorBrush).Color;
                OnSelectedColorChanged(EventArgs.Empty);
            }
        }