ContentDialog.Closing Evento

Definição

Namespace:

Microsoft.UI.Xaml.Controls

Ocorre depois que a caixa de diálogo começa a ser fechada, mas antes de ser fechada e antes que o evento Fechado ocorra.

// 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"/>

Tipo de evento

TypedEventHandler<ContentDialog,ContentDialogClosingEventArgs>