NavigationView.PaneClosing 事件

定义

命名空间:

Windows.UI.Xaml.Controls

在 NavigationView 窗格关闭时发生。

适用于 UWP 的等效 WinUI 2 API：Windows 应用 SDK中 WinUI 的 Microsoft.UI.Xaml.Controls.NavigationView.Pane 丢失 (，请参阅 ) Windows 应用 SDK命名空间。

// Register
event_token PaneClosing(TypedEventHandler<NavigationView, NavigationViewPaneClosingEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
NavigationView::PaneClosing_revoker PaneClosing(auto_revoke_t, TypedEventHandler<NavigationView, NavigationViewPaneClosingEventArgs const&> const& handler) const;

public event TypedEventHandler<NavigationView,NavigationViewPaneClosingEventArgs> PaneClosing;

function onPaneClosing(eventArgs) { /* Your code */ }
navigationView.addEventListener("paneclosing", onPaneClosing);
navigationView.removeEventListener("paneclosing", onPaneClosing);
- or -
navigationView.onpaneclosing = onPaneClosing;

Public Custom Event PaneClosing As TypedEventHandler(Of NavigationView, NavigationViewPaneClosingEventArgs) 

<NavigationView PaneClosing="eventhandler" />

事件类型

TypedEventHandler<NavigationView,NavigationViewPaneClosingEventArgs>

Windows 要求

设备系列	Windows 10, version 1803 (在 10.0.17134.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v6.0 中引入)