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3.1.4.4.33 get_InterfaceID (Opnum 39)

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The get_InterfaceID method gets the InterfaceID property for the subscription.

 [id(21), propget, helpstring("property InterfaceID")] HRESULT InterfaceID(
   [out, retval] BSTR* pbstrInterfaceID
 );

pbstrInterfaceID: If the method returns a success HRESULT, this MUST contain the value of the InterfaceID property of the subscription, as specified in section 3.1.1.2. The value MUST conform to the format as specified in section 2.2.3.

Return Values: An HRESULT specifying success or failure. All success codes MUST be treated the same, and all failure codes MUST be treated the same.

When this method is invoked, the server MUST verify that this value was previously set on this DCOM object instance servicing this method call. If not, the server MUST fail the call, returning a failure HRESULT back to the client. Otherwise, the server MUST return the value of the InterfaceID property.