Returns the port number at which the Parallels Service is listening for requests.
PRL_RESULT PrlSrvInfo_GetCmdPort( PRL_HANDLE hServerInfo, PRL_UINT32_PTR pnPort );
PrlApiDisp.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_NO_DATA - the PHT_SERVER_INFO object does not contain any data.
PRL_ERR_SUCCESS - function completed successfully.