Sets the virtual machine VNC port number.
PRL_RESULT PrlVmCfg_SetVNCPort( PRL_HANDLE hVmCfg, PRL_UINT32 nVmRemoteDisplayPort );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.