Set proxy manager URL string.
PRL_RESULT PrlDispCfg_SetProxyManagerURL( PRL_HANDLE hDispConfig, PRL_CONST_STR sNewURL );
PrlApiDeprecated.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle or string was passed.
PRL_ERR_CANT_CHANGE_PROXY_MANAGER_URL - proxy is not disabled.
PRL_ERR_CANT_CHANGE_PROXY_MANAGER_URL_BY_NON_PRIVILEGED_USER - only privileged user can change this setting (Win - administrator, Mac,Lin - root).
PRL_ERR_SUCCESS - function completed successfully.