Rebar   |  
 Returns an array containing the shared parameter GUIDs that were changed since the last regeneration. Array is empty if no shared params were changed since the last regeneration. 
 Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Return Value
IList GuidReturns an array containing the elementId of the shared params that were changed since the last regeneration.