![](dotnetdiagramimages/GrapeCity_ActiveReports_Viewer_Win_GrapeCity_ActiveReports_Viewer_Win_Viewer.png)
'Declaration Public Class Viewer Inherits System.Windows.Forms.UserControl
public class Viewer : System.Windows.Forms.UserControl
System.Object
System.MarshalByRefObject
System.ComponentModel.Component
System.Windows.Forms.Control
System.Windows.Forms.ScrollableControl
System.Windows.Forms.ContainerControl
System.Windows.Forms.UserControl
GrapeCity.ActiveReports.Viewer.Win.Viewer