CatalogItem.Path Property
SQL Server 2008 R2
Gets the full path name of an item.
Assembly: ReportService2006 (in ReportService2006.dll)
You can modify the Path property of an item by using the MoveItem method. Attempting to modify the Path property using the SetProperties method causes an exception to be thrown with error code rsReadOnlyProperty.
The path of any item in the SharePoint library has a maximum character length of 260.