Share Email Facebook Twitter LinkedIn IFCTransaction.RollBack Method Rolls back all changes made to the IFC file during the transaction. Namespace: Autodesk.Revit.DB.IFCAssembly: RevitAPIIFC (in RevitAPIIFC.dll) Version: 26.4.0.0 (26.4.0.0) Syntax C# public void RollBack() See AlsoReferenceIFCTransaction ClassAutodesk.Revit.DB.IFC Namespace