The exception that is thrown by the undo transaction framework when a modification operation is not allowed.

Namespace: Autodesk.Revit.Exceptions
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)

Syntax

C#
[SerializableAttribute]
public class ModificationForbiddenException : InvalidOperationException
Visual Basic
<SerializableAttribute> _
Public Class ModificationForbiddenException _
	Inherits InvalidOperationException
Visual C++
[SerializableAttribute]
public ref class ModificationForbiddenException : public InvalidOperationException

Inheritance Hierarchy

System..::..Object
  System..::..Exception
    Autodesk.Revit.Exceptions..::..ApplicationException
      Autodesk.Revit.Exceptions..::..InvalidOperationException
        Autodesk.Revit.Exceptions..::..ModificationForbiddenException

See Also