3.17.4.1.17 AppSpecific (Opnum 23)
The AppSpecific method is received by the server in an RPC_REQUEST packet. In response, the server MUST return the application-specific Message.ApplicationTag.
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[propget] HRESULT AppSpecific( [out, retval] long* plAppSpecific );
plAppSpecific: A pointer to a long integer that contains the application-specific value for this message.
Return Values: The method MUST return S_OK (0x00000000) on success or an implementation-specific error HRESULT on failure.
When processing this call, the server MUST follow these guidelines:
Set the plAppSpecific output parameter to the value of the represented Message.ApplicationTag.