onunload event

Occurs when the application is about to be unloaded.

Syntax

WinJS.Application.addEventListener("unload", listenerName);
or
WinJS.Application.onunload = listenerName;

Event information

Synchronous	No
Bubbles	Yes
Cancelable	Yes

 

Event handler parameters

• eventInfo
  Type: CustomEvent**

  An object that contains information about the event. The detail property of this object includes the following sub-properties:

  • type: "unload"
  • setPromise: the Promise indicates that the event listener has pending asynchronous work. When the Promise is completed, the next handler will be dispatched.

Remarks

For more information about the application lifecycle, see Guidelines for managing the app lifecycle.

Requirements

Minimum WinJS version	WinJS 1.0
Namespace	WinJS.Application