This is class Autodesk.AutoCAD.EditorInput.LivePreviewPropertySetting.

Autodesk.AutoCAD.EditorInput.LivePreviewActionBase
    Autodesk.AutoCAD.EditorInput.LivePreviewPropertySetting

Public sealed Class LivePreviewPropertySetting
Inherits LivePreviewActionBase

public sealed class LivePreviewPropertySetting : LivePreviewActionBase;