ProxyStub (extensions schema for Windows 8.1)

Article
09/20/2021

Declares a package extensibility point of type windows.activatableClass.proxyStub. A proxy can be composed of one or more interfaces.

Element hierarchy

<Package>

<Extensions>

<Extension>: <ProxyStub>

Syntax

<ProxyStub ClassId = A GUID in the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx. >

  <!-- Child elements -->
  Path,
  Interface{1,65535}

</ProxyStub>

Key

{} specific range of occurrences

Attributes and Elements

Attributes

Attribute	Description	Data type	Required	Default value
ClassId	The unique ID of the proxy.	A GUID in the form xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.	Yes

Child Elements

Child Element	Description
Interface	Declares an interface associated with the proxy.
Path (type: ST_FileName)	The path to the DLL.

Parent Elements

Parent Element	Description
Extension (in type: CT_PackageExtensions)	Declares an extensibility point for the package.

Examples

The following example is taken from the package manifest of one of the SDK samples.

<Extension Category="windows.activatableClass.proxyStub">
      <ProxyStub ClassId="332fd2f1-1c69-4c91-949e-4bb67a85bdc5">
        <Path>Microsoft.Samples.DllServerAuthoring.Proxies.dll</Path>
        <Interface Name="IToaster" InterfaceId="6a112353-4f87-4460-a908-2944e92686f3" />
        <Interface Name="IToast" InterfaceId="699b1394-3ceb-4a14-ae23-efec518b088b" />
        <Interface Name="IAppliance" InterfaceId="332fd2f1-1c69-4c91-949e-4bb67a85bdc5" />
      </ProxyStub>
</Extension>

Requirements

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

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