Pinta.ColorGradientWidget.HandleButtonPressEvent C# (CSharp) Method

        void HandleButtonPressEvent(object o, Gtk.ButtonPressEventArgs args)
        {
            int px, py;
            Gdk.ModifierType mask;
            GdkWindow.GetPointer (out px, out py, out mask);

            int index = FindValueIndex ((int)py);

            if (index != -1)
                ValueIndex = index;
        }