None of the selected elements can be grouped. The elements may already be grouped or may be element types which are not allowed for grouping.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId NoneOfSelElemsGroupable { get; }