PdfViewerControl.DocumentClosing Event

Occurs when a document is being closed.

Namespace: DevExpress.Xpf.PdfViewer

Assembly: DevExpress.Xpf.PdfViewer.v24.1.dll

NuGet Package: DevExpress.Wpf.PdfViewer

Declaration

C#

public event DocumentClosingEventHandler DocumentClosing

VB.NET

Public Event DocumentClosing As DocumentClosingEventHandler

Event Data

The DocumentClosing event's data class is DocumentClosingEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether to cancel closing of a document.
Handled	Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs.
OriginalSource	Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.
RoutedEvent	Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs.
SaveDialogResult	Gets or sets the return value of the Save dialog.
Source	Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs.

The event data class exposes the following methods:

Method	Description
InvokeEventHandler(Delegate, Object)	When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation. Inherited from RoutedEventArgs.
OnSetSource(Object)	When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. Inherited from RoutedEventArgs.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the DocumentClosing event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

XAML

how-to-import-the-acroform-data-t274735/CS/ImportFormData/MainWindow.xaml#L11

                            DocumentLoaded="Viewer_DocumentLoaded"
                            DocumentClosing="Viewer_DocumentClosing"/>
</Grid>