This is used to post error. At least Bar Size 1 or Bar Size 2 should have another value than "None".
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0)
Syntax
C#
public static FailureDefinitionId NoBarSizeError { get; }