This .NET class wraps the AcDbUCSTableRecord ObjectARX class. 

Objects of this class represent records in the UcsTable. Each of these records contains the information about a user coordinate system (UCS) that has been saved in the drawing database.

Autodesk.AutoCAD.DatabaseServices.DBObject
    Autodesk.AutoCAD.DatabaseServices.SymbolTableRecord
        Autodesk.AutoCAD.DatabaseServices.UcsTableRecord

Public Class UcsTableRecord
Inherits SymbolTableRecord

public class UcsTableRecord : SymbolTableRecord;