C#远程连接代码

/// <summary>
/// 服务连接配置类(验证服务账号是否正确)
/// </summary>
/// <param name="remoteHost">IP地址</param>
/// <param name="userName">远程账号</param>
/// <param name="passWord">远程密码</param>
/// <returns></returns>
public bool Connect(string remoteHost, string userName, string passWord)
{
bool Flag = false;
Process proc = new Process();
try
{
proc.StartInfo.FileName = "cmd.exe";
proc.StartInfo.UseShellExecute = false;
proc.StartInfo.RedirectStandardInput = true;
proc.StartInfo.RedirectStandardOutput = true;
proc.StartInfo.RedirectStandardError = true;
proc.StartInfo.CreateNoWindow = true;
proc.Start();
string dosLine = @"net use " + remoteHost +" /User:domain\" + userName + " " + passWord + " /PERSISTENT:YES";
proc.StandardInput.WriteLine(dosLine);
proc.StandardInput.WriteLine("exit");
while (!proc.HasExited)
{
proc.WaitForExit(1000);
}

string errormsg = proc.StandardError.ReadToEnd();
proc.StandardError.Close();
if (String.IsNullOrEmpty(errormsg))
{
Flag = true;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw ex;
}
finally
{
proc.Close();
proc.Dispose();
}
return Flag;
}

public static bool Ping(string remoteHost)
        {
            bool Flag = false;
            Process proc = new Process();
            try
            {
                proc.StartInfo.FileName = "cmd.exe";
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.RedirectStandardInput = true;
                proc.StartInfo.RedirectStandardOutput = true;
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.CreateNoWindow = true;
                proc.Start();
                string dosLine = @"ping -n 1 " + remoteHost;
                proc.StandardInput.WriteLine(dosLine);
                proc.StandardInput.WriteLine("exit");
                while (proc.HasExited == false)
                {
                    proc.WaitForExit(500);
                }
                string pingResult = proc.StandardOutput.ReadToEnd();
                if (pingResult.IndexOf("(0% loss)") != -1 || pingResult.IndexOf("(0% 丢失)") != -1)
                {
                    Flag = true;
                }
                proc.StandardOutput.Close();
            }
            catch (Exception ex)
            {
            }
            finally
            {
                try
                {
                    proc.Close();
                    proc.Dispose();
                }
                catch
                {
                }
            }
            return Flag;
        }