This .NET class wraps the AcDbGroundPlaneBackground ObjectARX class. 

This class represents a ground plane background.

Autodesk.AutoCAD.DatabaseServices.DBObject
    Autodesk.AutoCAD.DatabaseServices.Background
        Autodesk.AutoCAD.DatabaseServices.GroundPlaneBackground

Public Class GroundPlaneBackground
Inherits Background

public class GroundPlaneBackground : Background;