title: how to edit or see the source code for dll files
body: <p>I have a DLL file for old game(age of empires)
  I just want to edit that file or see the source code.
  I tried reflector toll and some others, but without any result</p>
  
  <p>so, 1- how can I edit or see  that DLL file??<br>
      2- can I know In what language  that file was written?</p>