private bool CallPowershell(string outputFile)

        {

            string ddcHost = "test";

            RunspaceConfiguration runspaceConfiguration = RunspaceConfiguration.Create();

            Runspace runspace = RunspaceFactory.CreateRunspace(runspaceConfiguration);

            runspace.Open();

            bool result = false;

            try

            {

                PowerShell ps = PowerShell.Create();

                ps.Runspace = runspace;

                ps.AddScript("param($paramList)");

                ps.AddArgument(m_paramList);

                ps.AddScript(string.Format("Import-Module -Name {0}", "testPath"));

                ps.AddScript(string.Format("Get-MachineList {0} {1} $paramList", ddcHost, outputFile));

                ps.Invoke();

                if (File.Exists(outputFile))

                {

                    result = true;

                }

            }

            catch (System.Exception ex)

            {

                Trace.WriteLine("[Error] Failed to execute command, {0}", ex.Message);

            }

            runspace.Close();

            runspace.Dispose();

            return result;

        }