This .NET class wraps the AcPlPlotProgressDialog ObjectARX class. 

This class implements a default plot progress dialog supplied as part of the ObjectARX SDK.

Autodesk.AutoCAD.PlottingServices.PlotProgress
    Autodesk.AutoCAD.PlottingServices.PlotProgressDialog

Public sealed Class PlotProgressDialog
Inherits PlotProgress

public sealed class PlotProgressDialog : PlotProgress;