This enumeration wraps the AcPlPlotConfigManager::StdConfigs ObjectARX enum. It is used to identify special device types installed with AutoCAD. 

It lists standard pc3 files that are installed by default.

Public Enum StdConfiguration
  NoneDevice
  DefaultWindowsSysPrinter
  Dwf6ePlot
  DwfEplotOptForPlotting
  DwfEplotOptForViewing
  PublishToWebDwf
  PublishToWebJpg
  PublishToWebPng
  DWFxePlot
  PublishToWebDWFx
End Enum

public enum StdConfiguration {
  NoneDevice,
  DefaultWindowsSysPrinter,
  Dwf6ePlot,
  DwfEplotOptForPlotting,
  DwfEplotOptForViewing,
  PublishToWebDwf,
  PublishToWebJpg,
  PublishToWebPng,
  DWFxePlot,
  PublishToWebDWFx
}