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AppBar.onbeforeclose event

Applies to Windows and Windows Phone

Occurs immediately before the AppBar is hidden

Learn about events with Quickstart: adding HTML controls and handling events.

Syntax

JavaScript


function handler(eventInfo) { /* Your code */ }
 
// addEventListener syntax
appBar.addEventListener("beforeclose", handler);
appBar.removeEventListener("beforeclose", handler);
 
- or -

appBar.onbeforeclose = handler;

Event information

Synchronous	No
Bubbles	Yes
Cancelable	Yes

Event handler parameters

eventInfo

Type: Event

An object that contains information about the event.

Requirements

Minimum WinJS version	WinJS 4.0
Namespace	WinJS.UI

AppBar.onbeforeclose event

Syntax

Event information

Event handler parameters

Requirements

See also