Gets show host printer UI option.
PRL_RESULT PrlVmCfg_IsShowHostPrinterUI( PRL_HANDLE hVm, PRL_BOOL_PTR pbShow );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.