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BackgroundTasks (extensions schema for Windows 8.1)

  • Makale

Defines an app extensibility point of type windows.backgroundTasks. Background tasks run in a dedicated background host; that is, without a UI.

Element hierarchy

<Extension>
<BackgroundTasks>

Syntax

<BackgroundTasks ServerName? = A string between 1 and 255 characters in length. >

  <!-- Child elements -->
  TaskChoice{1,8}

</BackgroundTasks>

Key

?   optional (zero or one) {}   specific range of occurrences

Attributes and Elements

Attributes

Attribute Description Data type Required Default value
ServerName

The server name. Ensures that only one instance of the server exists at runtime.

 A string between 1 and 255 characters in length. No

 

Child Elements

Child Element Description
TaskChoice

The abstract task choice element for the XSD substitution group. This can't be declared in the XML.

 

Parent Elements

Parent Element Description
Extension (type: CT_ApplicationExtension)

Declares an extensibility point for the app.

 

Remarks

Extensions of type "windows.backgroundTask" must specify either a StartPage or EntryPoint attribute in the Extension element. For more info (and an example) see How to declare background tasks in the application manifest (JavaScript and HTML) or How to declare background tasks in the application manifest (C#/VB/C++ and XAML).

Requirements

Value
Namespace http://schemas.microsoft.com/appx/2010/manifest