Betöltött program modulok meghatározása

    private void button1_Click(object sender, System.EventArgs e)
    {

      Assembly a = Assembly.GetAssembly(this.GetType());

      foreach(Module m in a.GetLoadedModules())
      {

        listBox1.Items.Add(m.Name);
        listBox1.Items.Add(m.FullyQualifiedName);
        listBox1.Items.Add("-------------------");
      }
    }