c# .net 登录远程服务器有关问题

c# .net 登录远程服务器问题
给出服务器 ip地址，登录名 登录密码 怎么用c# 实现验证登录，登录成功后执行服务器某磁盘下的一个脚本文件；小弟实在不知，恳求哪位大侠来指导指导。。。

[解决办法]
我以前做过一个跨服务器下载文件的。以下是代码，希望能给你一些启发。

C# code

[DllImport("advapi32.dll", SetLastError = true)]        private static extern bool LogonUser(string        lpszUsername, string lpszDomain, string lpszPassword,        int dwLogonType, int dwLogonProvider, ref IntPtr phToken);        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]        private static extern bool CloseHandle(IntPtr handle);        [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]        public extern static bool DuplicateToken(IntPtr existingTokenHandle,        int SECURITY_IMPERSONATION_LEVEL, ref IntPtr duplicateTokenHandle);        // logon types        const int LOGON32_LOGON_INTERACTIVE = 2;        const int LOGON32_LOGON_NETWORK = 3;        const int LOGON32_LOGON_NEW_CREDENTIALS = 9;        // logon providers        const int LOGON32_PROVIDER_DEFAULT = 0;        const int LOGON32_PROVIDER_WINNT50 = 3;        const int LOGON32_PROVIDER_WINNT40 = 2;        const int LOGON32_PROVIDER_WINNT35 = 1;        static string HelpUserName = System.Configuration.ConfigurationManager.AppSettings["HelpUserName"];        static string HelpDomain = System.Configuration.ConfigurationManager.AppSettings["HelpDomain"];        static string HelpPassword = System.Configuration.ConfigurationManager.AppSettings["HelpPassword"];        static string HelpFilePath = System.Configuration.ConfigurationManager.AppSettings["HelpFilePath"];public static byte[] GetFile(string DownFileName)        {            byte[] DownloadFile = null;//要下载的文件的数据            IntPtr tokenHandle = new IntPtr(0);            IntPtr dupeTokenHandle = new IntPtr(0);            tokenHandle = IntPtr.Zero;            bool returnValue = LogonUser(HelpUserName, HelpDomain, HelpPassword, LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref tokenHandle);            if (returnValue == false)            {                int ret = Marshal.GetLastWin32Error();                throw new System.ComponentModel.Win32Exception(ret);            }            WindowsIdentity newId = null;            WindowsImpersonationContext impersonatedUser = null;            using (newId = new WindowsIdentity(tokenHandle))            {                using (impersonatedUser = newId.Impersonate())                {//操作文档                    string filePath = HelpFilePath + "\\" + DownFileName;//图片存放路径                    DownloadFile = File.ReadAllBytes(filePath);//获取文件数据                }            }            impersonatedUser.Undo();            if (tokenHandle != IntPtr.Zero)                CloseHandle(tokenHandle);            return DownloadFile;        }