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FamilyContextException

Class
Description:
The exception that is thrown when an operation is invalid in the current family document, because of the type of family.
Inheritance Hierarchy:
System.Object
  System.Exception
    Autodesk.Revit.Exceptions.ApplicationException
      Autodesk.Revit.Exceptions.InvalidOperationException
        Autodesk.Revit.Exceptions.FamilyContextException
Syntax
[SerializableAttribute]
public class FamilyContextException : InvalidOperationException