NavigationPaneView.NavPaneExpandedChanged Event

Fires after the expanded state of the Navigation Pane has been changed.

Namespace: DevExpress.Xpf.NavBar

Assembly: DevExpress.Xpf.NavBar.v24.2.dll

NuGet Package: DevExpress.Wpf.NavBar

Declaration

C#

public event NavPaneExpandedChangedEventHandler NavPaneExpandedChanged

VB.NET

Public Event NavPaneExpandedChanged As NavPaneExpandedChangedEventHandler

Event Data

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

Property	Description
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.
IsExpanded	Gets a value indicating whether the Navigation Pane is expanded.
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.
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.

Remarks

Write an NavPaneExpandedChanged event handler to perform specific actions each time the Navigation Pane’s expanded state changes within the NavBarControl.