AppBar.Closing 事件

定义

命名空间:

Microsoft.UI.Xaml.Controls

当 AppBar 开始从可见更改为隐藏时发生。

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

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

// Revoke with event_revoker
AppBar::Closing_revoker Closing(auto_revoke_t, EventHandler<IInspectable> const& handler) const;

public event System.EventHandler<object> Closing;

function onClosing(eventArgs) { /* Your code */ }
appBar.addEventListener("closing", onClosing);
appBar.removeEventListener("closing", onClosing);
- or -
appBar.onclosing = onClosing;

Public Custom Event Closing As EventHandler(Of Object) 

<AppBar Closing="eventhandler"/>

事件类型

EventHandler<Object>

EventHandler<Object>

EventHandler<IInspectable>

注解

关闭事件发生在过渡动画开始之前。