/// <summary>
/// Representation of a group of this type
/// </summary>
/// <returns></returns>
public override string ToStringGroupHeader()
{
return("<div style='padding-bottom: 5px;'><img src='" + Utils.GetExtensionImage("Ftp", true) + "' height='15px'><b>" + GroupKey.ToHtmlLink(null, true) + "</b></div>");
}
