SystemNavigationManager.BackRequested Event
Definition
Important
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Occurs when the user invokes the system provided button, gesture, or voice command for back-navigation.
// Register
event_token BackRequested(EventHandler<BackRequestedEventArgs> const& handler) const;
// Revoke with event_token
void BackRequested(event_token const* cookie) const;
// Revoke with event_revoker
SystemNavigationManager::BackRequested_revoker BackRequested(auto_revoke_t, EventHandler<BackRequestedEventArgs> const& handler) const;public event System.EventHandler<BackRequestedEventArgs> BackRequested;function onBackRequested(eventArgs) { /* Your code */ }
systemNavigationManager.addEventListener("backrequested", onBackRequested);
systemNavigationManager.removeEventListener("backrequested", onBackRequested);
- or -
systemNavigationManager.onbackrequested = onBackRequested;Public Custom Event BackRequested As EventHandler(Of BackRequestedEventArgs)