In order to restore an element's 'Constrain to Massing' property to 'Dependent', it must be in the main model with the massing.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
C#
public static FailureDefinitionId CannotIntegrate { get; }