This .NET enum wraps the AcDb::NewLayerNotification ObjectARX enumeration. 

This enum supports the LAYERNOTIFY header variable. Fields are bit-coded and can be OR'd together using a bitwise OR.

Public Enum NewLayerNotification
  NoNewLayerNotification = 0
  NotifyOnInsert = &H20
  NotifyOnLayerStateRestore = 8
  NotifyOnOpen = 2
  NotifyOnPlot = 1
  NotifyOnSave = &H10
  NotifyOnXrefAttachAndReload = 4
End Enum

public enum NewLayerNotification {
  NoNewLayerNotification = 0,
  NotifyOnInsert = 0x20,
  NotifyOnLayerStateRestore = 8,
  NotifyOnOpen = 2,
  NotifyOnPlot = 1,
  NotifyOnSave = 0x10,
  NotifyOnXrefAttachAndReload = 4
}