Gets the GUID of the known folder for the custom place.
Assembly: PresentationFramework (in PresentationFramework.dll)
GUIDs are associated with the known folders. For the list of known folders, see FileDialogCustomPlaces.
Windows 7, 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