/// <summary>
/// Sets the font size for the selected text of the RichTextBox
/// </summary>
/// <param name="fontSize">Font size to use</param>
/// <returns>Returns true on success, false on failure</returns>
public static bool SelectionFontSize(this RichTextBox richTextBox, int fontSize)
{
return(RichTextBoxHelper.SelectionFontSize(richTextBox, fontSize));
}