progressbar in windows application

Question

i have code to extract rar files .i want to assosiate a progress bar for this process of extraction.below is my code.could you please add progressbar to it.

 

 

public void UnZip()

        {

 string DestinationPath =            @"C:\Temp\DATA_UNITS\BusinessObjectsServer_win\response.ini";

          

  Shell32.Shell sc = new Shell32.Shell();

          

  System.IO.Directory.CreateDirectory("C:\\TEMP");

          

  Shell32.Folder output = sc.NameSpace("C:\\TEMP");

           

 string sourcePath = Application.StartupPath + "\\51047839.ZIP";

           

 Shell32.Folder input = sc.NameSpace(sourcePath);

           

 output.CopyHere(input.Items());

          

  System.IO.File.Delete(DestinationPath);

         }