A dimension that has lock constraints is being deleted, but the elements will still be constrained. Push "Unconstrain" to remove the constraints or "OK" to leave elements constrained..
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId UndeletedConstraints { get; }