Self deletable application in C# in one executable

Question

Is it possible to make an application in C# that will be able to delete itself in some condition.

I need to write an updater for my application but I don\'t want the

Answer 1

public void uninstall() {
    string app_name = Application.StartupPath + "\\" + Application.ProductName + ".exe";
    string bat_name = app_name + ".bat";

    string bat = "@echo off\n"
        + ":loop\n"
        + "del \"" + app_name + "\"\n"
        + "if Exist \"" + app_name + "\" GOTO loop\n"
        + "del %0";

    StreamWriter file = new StreamWriter(bat_name);
    file.Write(bat);
    file.Close();

    Process bat_call = new Process();
    bat_call.StartInfo.FileName = bat_name;
    bat_call.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
    bat_call.StartInfo.UseShellExecute = true;
    bat_call.Start();

    Application.Exit();
}

self delete by an external executable file ".bat" for windows form applications.