/// <summary>
        ///   <para>The height of the button.</para>
        /// </summary>
        /// <param name="widget">Widget to call method on.</param>
        /// <param name="height">Height of button.</param>
        /// <returns>Reference to the current widget.</returns>
        /// <exception cref="ArgumentNullException">If <paramref name="widget"/> is a <c>null</c> reference.</exception>
        /// <seealso cref="IFacebookSendButtonWidget.Height(string)"/>
        public static IFacebookSendButtonWidget Height(this IFacebookSendButtonWidget widget, short height)
        {
            Assertion.NotNull(widget);

            return(widget.Height(height.ToString(CultureInfo.InvariantCulture)));
        }
        /// <summary>
        ///   <para>The color scheme used by the button.</para>
        /// </summary>
        /// <param name="widget">Widget to call method on.</param>
        /// <param name="colorScheme">Color scheme of button.</param>
        /// <returns>Reference to the current widget.</returns>
        /// <exception cref="ArgumentNullException">If <paramref name="widget"/> is a <c>null</c> reference.</exception>
        /// <seealso cref="IFacebookSendButtonWidget.ColorScheme(string)"/>
        public static IFacebookSendButtonWidget ColorScheme(this IFacebookSendButtonWidget widget, FacebookColorScheme colorScheme)
        {
            Assertion.NotNull(widget);

            return(widget.ColorScheme(colorScheme.ToString().ToLowerInvariant()));
        }
        /// <summary>
        ///   <para>The width of the button.</para>
        /// </summary>
        /// <param name="widget">Widget to call method on.</param>
        /// <param name="width">Width of button.</param>
        /// <returns>Reference to the current widget.</returns>
        /// <exception cref="ArgumentNullException">If <paramref name="widget"/> is a <c>null</c> reference.</exception>
        /// <seealso cref="IFacebookSendButtonWidget.Width(string)"/>
        public static IFacebookSendButtonWidget Width(this IFacebookSendButtonWidget widget, short width)
        {
            Assertion.NotNull(widget);

            return(widget.Width(width.ToString(CultureInfo.InvariantCulture)));
        }