[C#]
    TElNameConstraint PermittedSubtrees[int Index];

[VB.NET]
    Property PermittedSubtrees(ByVal Index As Integer) As TElNameConstraint

[Pascal]
    property PermittedSubtrees[Index : integer] : TElNameConstraint;

[VB6]
    Function IElNameConstraintsExtensionX.GetPermitted(Index As Long) As IElNameConstraintX
    Function IElNameConstraintsExtensionX.AddPermitted() As Long

[ActiveX]
    HRESULT _stdcall IElNameConstraintsExtensionX.GetPermitted([in] long Index, [out, retval] IElNameConstraintX ** Result );
    HRESULT _stdcall IElNameConstraintsExtensionX.AddPermitted([out, retval] long * Index );

[DLL]
    not implemented;