Initiates graceful shutdown of the specified virtual machine.
PRL_HANDLE PrlVm_ToolsSendShutdown( PRL_HANDLE hVm, PRL_GRACEFUL_SHUTDOWN_KIND kind );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.