/// <summary>
        ///   <para>Width of Groups box area.</para>
        /// </summary>
        /// <param name="widget">Widget to call method on.</param>
        /// <param name="width">Area width.</param>
        /// <returns>Reference to provided <paramref name="widget"/>.</returns>
        /// <exception cref="ArgumentNullException">If <paramref name="widget"/> is a <c>null</c> reference.</exception>
        /// <seealso cref="IMailRuGroupsWidget.Width(string)"/>
        public static IMailRuGroupsWidget Width(this IMailRuGroupsWidget widget, short width)
        {
            Assertion.NotNull(widget);

            return(widget.Width(width.ToString(CultureInfo.InvariantCulture)));
        }
        /// <summary>
        ///   <para>Height of Groups box area.</para>
        /// </summary>
        /// <param name="widget">Widget to call method on.</param>
        /// <param name="height">Area height.</param>
        /// <returns>Reference to provided <paramref name="widget"/>.</returns>
        /// <exception cref="ArgumentNullException">If <paramref name="widget"/> is a <c>null</c> reference.</exception>
        /// <seealso cref="IMailRuGroupsWidget.Height(string)"/>
        public static IMailRuGroupsWidget Height(this IMailRuGroupsWidget widget, short height)
        {
            Assertion.NotNull(widget);

            return(widget.Height(height.ToString(CultureInfo.InvariantCulture)));
        }