Property to check whether the instance can be extended and return the interface for extension operation.
Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public IExtension ExtensionUtility { get; }Property Value
IExtension
Remarks
If the family instance can not support extension operation, it returns
null
See Also
Reference