NavigationView.BackRequested Event
Definition
Important
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Occurs when the back button receives an interaction such as a click or tap.
Equivalent WinUI 2 API for UWP: Microsoft.UI.Xaml.Controls.NavigationView.BackRequested (for WinUI in the Windows App SDK, see the Windows App SDK namespaces).
// Register
event_token BackRequested(TypedEventHandler<NavigationView, NavigationViewBackRequestedEventArgs const&> const& handler) const;
// Revoke with event_token
void BackRequested(event_token const* cookie) const;
// Revoke with event_revoker
NavigationView::BackRequested_revoker BackRequested(auto_revoke_t, TypedEventHandler<NavigationView, NavigationViewBackRequestedEventArgs const&> const& handler) const;public event TypedEventHandler<NavigationView,NavigationViewBackRequestedEventArgs> BackRequested;function onBackRequested(eventArgs) { /* Your code */ }
navigationView.addEventListener("backrequested", onBackRequested);
navigationView.removeEventListener("backrequested", onBackRequested);
- or -
navigationView.onbackrequested = onBackRequested;Public Custom Event BackRequested As TypedEventHandler(Of NavigationView, NavigationViewBackRequestedEventArgs) <NavigationView BackRequested="eventhandler" />
Event Type
Windows requirements
| Device family |
Windows 10, version 1803 (introduced in 10.0.17134.0)
|
| API contract |
Windows.Foundation.UniversalApiContract (introduced in v6.0)
|