This .NET class wraps the AcDbLayerStateManager ObjectARX class. 

The LayerStateManager class is used to access and manipulate individual layer states associated with a drawing database. The layer state manager is not implemented as a collection class. Instead it is intended for high-level access to layer state manager functions. For enumerating, listing, and other lower-level functions, developers should use the existing APIs to access the layer state dictionary within the layer table's extension dictionary. The specific name of the layer state dictionary is ACAD_LAYERSTATES.

Autodesk.AutoCAD.DatabaseServices.LayerStateManager

Public sealed Class LayerStateManager
Inherits RXObject

public sealed class LayerStateManager : RXObject;