This method must be overridden by the Root reference object to deal with external or root references. The Root referece object must advance past the optional control name in a Fully Qualified Reference before calling RefLoop
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2