共用方式為

FlyoutBase.Opening 事件

  • 參考

定義

命名空間:
Microsoft.UI.Xaml.Controls.Primitives
編輯

發生於顯示飛出視窗之前。

// 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"/>

事件類型

EventHandler<Object>

EventHandler<Object>

EventHandler<IInspectable>

適用於