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

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

                cellHighlighted = cell;
                cellHighlighted.IsSelected = true;
            }
            Focus();
        }