C# 当前系统的多管理账户测判断

   using (DirectoryEntry comp = new DirectoryEntry("WinNT://" + Environment.MachineName + ",computer"))

                {

                    int AccountCount = 0;

                    foreach (DirectoryEntry child in comp.Children)

                    {

                        //获取账户名称

                        if (child.SchemaClassName == "User")

                        {

                            using (DirectoryEntry NewUser = comp.Children.Find(child.Name, "user"))

                            {

                                //判断该账户是否被禁用

                                bool AccountState = Convert.ToBoolean(NewUser.InvokeGet("AccountDisabled"));

                                if (!AccountState)

                                {

                                    AccountCount += 1;

                                }

                            }

                        }

                    }

                    if (AccountCount > 1)

                    {

                        return 0;

                    }

                    else

                    {

                        return 1;

                    }

                }

参考msdn：https://msdn.microsoft.com/zh-cn/library/aa746340(v=VS.85).aspx