NavigationView.PaneOpening 事件

定义

命名空间:

Windows.UI.Xaml.Controls

在 NavigationView 窗格打开时发生。

等效的 WinUI 2 API for UWP：Microsoft.UI.Xaml.Controls.NavigationView.Pane 打开Windows 应用 SDK中的 WinUI (，请参阅Windows 应用 SDK命名空间) 。

// Register
event_token PaneOpening(TypedEventHandler<NavigationView, IInspectable const&> const& handler) const;

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

// Revoke with event_revoker
NavigationView::PaneOpening_revoker PaneOpening(auto_revoke_t, TypedEventHandler<NavigationView, IInspectable const&> const& handler) const;

public event TypedEventHandler<NavigationView,object> PaneOpening;

function onPaneOpening(eventArgs) { /* Your code */ }
navigationView.addEventListener("paneopening", onPaneOpening);
navigationView.removeEventListener("paneopening", onPaneOpening);
- or -
navigationView.onpaneopening = onPaneOpening;

Public Custom Event PaneOpening As TypedEventHandler(Of NavigationView, Object) 

<NavigationView PaneOpening="eventhandler" />

事件类型

TypedEventHandler<NavigationView,Object>

TypedEventHandler<NavigationView,IInspectable>

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)