    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
    public struct USER_INFO_4
    {
        public string name;
        public string password;
        public int password_age;
        public UserPrivileges priv;
        public string home_dir;
        public string comment;
        public UserFlags flags;
        public string script_path;
        public AuthFlags auth_flags;
        public string full_name;
        public string usr_comment;
        public string parms;
        public string workstations;
        public int last_logon;
        public int last_logoff;
        public int acct_expires;
        public int max_storage;
        public int units_per_week;
        public IntPtr logon_hours;    // This is a PBYTE
        public int bad_pw_count;
        public int num_logons;
        public string logon_server;
        public int country_code;
        public int code_page;
        public IntPtr user_sid;     // This is a PSID
        public int primary_group_id;
        public string profile;
        public string home_dir_drive;
        public int password_expired;
    }