/// <summary>
        /// Displays text formatted as XML.
        /// </summary>
        public static void ShowXmlText(RichTextBox textBox, string xmlText, int rootIndentLevel,
                                       string title, params object[] titleArgs)
        {
            RichTextBoxDisplayHelper viewer = new RichTextBoxDisplayHelper(textBox);

            viewer.DisplayXmlText(xmlText, rootIndentLevel, title, titleArgs);
        }