This .NET class wraps the AcDbUCSTable ObjectARX class. 

This class is the symbol table for AcDbUCSTableRecord, which represents stored user coordinate systems (UCS) within the drawing database.

Autodesk.AutoCAD.DatabaseServices.DBObject
    Autodesk.AutoCAD.DatabaseServices.SymbolTable
        Autodesk.AutoCAD.DatabaseServices.UcsTable

Public sealed Class UcsTable
Inherits SymbolTable
Inherits IEnumerable

public sealed class UcsTable : SymbolTable, IEnumerable;