SenderId (Opnum 51)

The SenderId method is received by the server in an RPC_REQUEST packet. In response, the server MUST return the represented Message.SenderIdentifier.

 [propget] HRESULT SenderId(
   [out, retval] VARIANT* pvarSenderId

pvarSenderId: A pointer to a VARIANT that contains a byte array (VT_ARRAY | VT_UI1) that contains the sending user's identifier.

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 pvarSenderId output parameter to the value of the represented Message.SenderIdentifier.