Get the invalid ElementId whose value is -1.
Namespace:
Autodesk.Revit.DB
Assembly:
RevitAPI
(in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Namespace:
Autodesk.Revit.DB
Assembly:
RevitAPI
(in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)