static void Display_Result(Gdk.RGBA color)
{
dialog = new Dialog();
dialog.Title = "Selected Color: " + HexFormat(color);
DrawingArea da = new DrawingArea();
da.OverrideBackgroundColor(StateFlags.Normal, color);
dialog.ContentArea.BorderWidth = 10;
dialog.ContentArea.PackStart(da, true, true, 10);
dialog.SetDefaultSize(200, 200);
Button button = new Button(Stock.Ok);
button.Clicked += new EventHandler(Dialog_Ok);
button.CanDefault = true;
dialog.ActionArea.PackStart(button, true, true, 0);
button.GrabDefault();
dialog.ShowAll();
}