This .NET class wraps the AcDbLayerTableRecord ObjectARX class. 

Objects of this class represent records in the LayerTable. Each of these records contains the information (color, on or off, frozen or thawed, etc.) about a layer in the drawing database.

Autodesk.AutoCAD.DatabaseServices.DBObject
    Autodesk.AutoCAD.DatabaseServices.SymbolTableRecord
        Autodesk.AutoCAD.DatabaseServices.LayerTableRecord

Public Class LayerTableRecord
Inherits SymbolTableRecord

public class LayerTableRecord : SymbolTableRecord;