ContentDialog.Closing 事件

定义

在对话框开始关闭之后、关闭之前和 Closed 事件发生之前发生。

// Register
event_token Closing(TypedEventHandler<ContentDialog, ContentDialogClosingEventArgs const&> const& handler) const;

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

// Revoke with event_revoker
ContentDialog::Closing_revoker Closing(auto_revoke_t, TypedEventHandler<ContentDialog, ContentDialogClosingEventArgs const&> const& handler) const;
public event TypedEventHandler<ContentDialog,ContentDialogClosingEventArgs> Closing;
function onClosing(eventArgs) { /* Your code */ }
contentDialog.addEventListener("closing", onClosing);
contentDialog.removeEventListener("closing", onClosing);
- or -
contentDialog.onclosing = onClosing;
Public Custom Event Closing As TypedEventHandler(Of ContentDialog, ContentDialogClosingEventArgs) 
<ContentDialog Closing="eventhandler"/>

事件类型

适用于