PreviewPageChanged Event

In This Topic

This event is raised after the currently displayed page of the document loaded in the GdViewer control has been successfully changed.

The event makes use of tunel routing strategy. Please check the corresponded GdViewer.PageChangedEventArgs for more details.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Event PreviewPageChanged As GdViewer.PreviewPageChangedHandler

public event GdViewer.PreviewPageChangedHandler PreviewPageChanged

public event PreviewPageChanged: GdViewer.PreviewPageChangedHandler;

In JScript, you can handle the events defined by another class, but you cannot define your own.

public: __event GdViewer.PreviewPageChangedHandler* PreviewPageChanged

public:
event GdViewer.PreviewPageChangedHandler^ PreviewPageChanged

Event Data

The event handler receives an argument of type GdViewer.PageChangedEventArgs containing data related to this event. The following GdViewer.PageChangedEventArgs properties provide information specific to this event.

Property	Description
Handled	(Inherited from System.Windows.RoutedEventArgs)
OriginalSource	(Inherited from System.Windows.RoutedEventArgs)
RoutedEvent	(Inherited from System.Windows.RoutedEventArgs)
Source	(Inherited from System.Windows.RoutedEventArgs)

Example

Please follow the example for the PageChanged event to motivate yourself on how to utilize this event in your GdViewer control.

Reference

GdViewer Class
GdViewer Members
GdViewer.PreviewPageChangedHandler Delegate
GdViewer.PageChangedEventArgs Class
PageChanged Event
CurrentPage Property
DisplayPage(Int32) Method