c# 对windows用户和组操作实例

    /// 计算机用户和组操作类
    ///

    public class userandgrouphelper
    {
        private static readonly string path = "winnt://" + environment.machinename;
        ///

        /// 添加windows用户
        ///

        /// 用户名
        /// 密码
        /// 所属组
        /// 描述
        public static void adduser(string username, string password, string group, string description)
        {
            using (directoryentry dir = new directoryentry(path))
            {
                using (directoryentry user = dir.children.add(username, "user")) //增加用户名
                {
                    user.properties["fullname"].add(username); //用户全称
                    user.invoke("setpassword", password); //用户密码
                    user.invoke("put", "description", description);//用户详细描述
                    //user.invoke("put","passwordexpired",1); //用户下次登录需更改密码
                    user.invoke("put", "userflags", 66049); //密码永不过期
                    //user.invoke("put", "userflags", 0x0040);//用户不能更改密码s
                    user.commitchanges();//保存用户
                    using (directoryentry grp = dir.children.find(group, "group"))
                    {
                        if (grp.name != "")
                        {
                            grp.invoke("add", user.path.tostring());//将用户添加到某组
                        }
                    }
                }
            }
        }
        ///

        /// 更改windows用户密码
        ///

        /// 用户名
        /// 新密码
        public static void updateuserpassword(string username, string newpassword)
        {
            using (directoryentry dir = new directoryentry(path))
            {
                using (directoryentry user = dir.children.find(username, "user"))
                {
                    user.invoke("setpassword", new object[] { newpassword });
                    user.commitchanges();
                }
            }
        }
        ///

        /// 删除windows用户
        ///

        /// 用户名
        public static void removeuser(string username)
        {
            using (directoryentry dir = new directoryentry(path))
            {
                using (directoryentry user = dir.children.find(username, "user"))
                {
                    dir.children.remove(user);
                }
            }
        }
        ///

        /// 添加windows用户组
        ///

        /// 组名称
        /// 描述
        public static void addgroup(string groupname, string description)
        {
            using (directoryentry dir = new directoryentry(path))
            {
                using (directoryentry group = dir.children.add(groupname, "group"))
                {
                    group.invoke("put", new object[] { "description", description });
                    group.commitchanges();
                }
            }
        }
        ///

        /// 删除windows用户组
        ///

        /// 组名称
        public static void removegroup(string groupname)
        {
            using (directoryentry dir = new directoryentry(path))
            {
                using (directoryentry group = dir.children.find(groupname, "group"))
                {
                    dir.children.remove(group);
                }
            }
        }
    }
}