FlyoutBase.Opening Evento

Definição

Namespace:

Windows.UI.Xaml.Controls.Primitives

Ocorre antes que o submenu seja mostrado.

// Register
event_token Opening(EventHandler<IInspectable> const& handler) const;

// Revoke with event_token
void Opening(event_token const* cookie) const;

// Revoke with event_revoker
FlyoutBase::Opening_revoker Opening(auto_revoke_t, EventHandler<IInspectable> const& handler) const;

public event System.EventHandler<object> Opening;

function onOpening(eventArgs) { /* Your code */ }
flyoutBase.addEventListener("opening", onOpening);
flyoutBase.removeEventListener("opening", onOpening);
- or -
flyoutBase.onopening = onOpening;

Public Custom Event Opening As EventHandler(Of Object) 

<flyout Opening="eventhandler"/>

Tipo de evento

EventHandler<Object>

EventHandler<Object>

EventHandler<IInspectable>