/// <summary>
        /// Initializes a new instance of the <see cref="Paint.ColorSelectorDefinition"/> class.
        /// </summary>
        /// <param name='startColor'> The initial colour we are drawing with. </param>
        /// <param name='colorSelectorDefinition'> Layout of the color selector as defined within a xml file. </param>
        /// <param name='scale' iPad size scale - i.e.2 for retina and 1 for normal - allows us to multiply up the layout />
        public ColorSelectorDefinition(Color startColor, ToolboxLayoutDefinitionPaintToolsColorSelector colorSelectorDefinition, int scale)
        {
            this.Bounds = new Rectangle(
                (int)colorSelectorDefinition.Region.Location.X * scale,
                (int)colorSelectorDefinition.Region.Location.Y * scale,
                colorSelectorDefinition.Region.Size.Width * scale,
                colorSelectorDefinition.Region.Size.Height * scale);

            this.StartColor = startColor;

            this.BackgroundColor = new Color(
                colorSelectorDefinition.Region.BackgroundColor.Red,
                colorSelectorDefinition.Region.BackgroundColor.Green,
                colorSelectorDefinition.Region.BackgroundColor.Blue);

            this.BorderColor = new Color(
                colorSelectorDefinition.Region.Border.Color.Red,
                colorSelectorDefinition.Region.Border.Color.Green,
                colorSelectorDefinition.Region.Border.Color.Blue);

            this.GaugeWidth = colorSelectorDefinition.Gauge.Width * scale;
            this.GaugeMarkerWidth = colorSelectorDefinition.Gauge.MarkerWidth * scale;
            this.GaugeHorizontalMargin = colorSelectorDefinition.Gauge.HorizontalMargin * scale;
            this.GaugeVerticalMargin = colorSelectorDefinition.Gauge.VerticalMargin * scale;
        }
 /// <summary>
 /// Creates the color selector.
 /// </summary>
 /// <returns>
 /// The color selector.
 /// </returns>
 /// <param name='startColor' The color we will start drawing with />
 /// <param name='layoutColorSelector' The layout information for this color selector />
 private ColorSelector CreateColorSelector(Color startColor, ToolboxLayoutDefinitionPaintToolsColorSelector layoutColorSelector)
 {
     return new ColorSelector(this.GraphicsDisplay, new ColorSelectorDefinition(startColor, layoutColorSelector, this.Scale));
 }