Opc.Ua.Configuration.AccountInfo.Query C# (CSharp) Method

        public static IList<AccountInfo> Query(AccountFilters filters)
        {
            if (filters == null)
            {
                filters = new AccountFilters();
            }

            List<AccountInfo> accounts = new List<AccountInfo>();

            StringBuilder builder = new StringBuilder();
            
            if (!String.IsNullOrEmpty(filters.Domain))
            {
                // check for non-existent domain.
                if (String.Compare(filters.Domain, System.Net.Dns.GetHostName(), true) != 0)
                {
                    if (String.IsNullOrEmpty(LookupDomainSid(filters.Domain)))
                    {
                        return accounts;
                    }
                }
                
                builder.AppendFormat("Domain='{0}'", filters.Domain);
            }
            
            SelectQuery query = new SelectQuery("Win32_Account", builder.ToString());
            ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);

            try
            {
                foreach (ManagementObject target in searcher.Get())
                {
                    // filter on SID type.
                    byte? sidType =  target["SIDType"] as byte?;

                    if (sidType == null || sidType.Value == 3 || sidType.Value > 5)
                    {
                        continue;
                    }

                    // create account info object.
                    AccountInfo account = new AccountInfo();

                    account.Name = target["Name"] as string;
                    account.SidType = (AccountSidType)sidType.Value;
                    account.Sid = target["SID"] as string;
                    account.Domain = target["Domain"] as string;
                    account.Description = target["Description"] as string;
                    account.Status = target["Status"] as string;


                    if (account.ApplyFilters(filters))
                    {
                        accounts.Add(account);
                    }
                }
            }
            finally
            {
                searcher.Dispose();
            }

            return accounts;
        }