Programmatically change the icon of the executable

Question

I am developing an application called WeatherBar. Its main functionality is based on its interaction with the Windows 7 taskbar — it changes the icon depending on the weathe

Answer 1

 private void button1_Click(object sender, EventArgs e)
    {
      String path = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
      String name = "test";
      Shell32.Shell shl = new Shell32.ShellClass();
      // Optional code to create the shortcut
      System.IO.StreamWriter sw = new System.IO.StreamWriter(path + @"\" + name + ".lnk", false);
      sw.Close();
      // End optional code
      Shell32.Folder dir = shl.NameSpace(path);
      Shell32.FolderItem itm = dir.Items().Item(name + ".lnk");
      Shell32.ShellLinkObject lnk = (Shell32.ShellLinkObject)itm.GetLink;
      // Optional code to create the shortcut
      lnk.Path = Environment.GetFolderPath(Environment.SpecialFolder.System)
+ @"\notepad.exe";
      lnk.Description = "nobugz was here";
      lnk.Arguments = @"c:\sample.txt";
      lnk.WorkingDirectory = @"c:\";
      // End optional code
      lnk.SetIconLocation(Environment.GetFolderPath(Environment.SpecialFolder.System)
+ "cmd.exe", 1);
      lnk.Save(null);
    }

This was taken from http://social.msdn.microsoft.com/forums/en-US/csharpgeneral/thread/9e23a82c-8bed-4b96-8b9a-4c2b6136a622/

It may help.