title: how to edit dll archives?
body: <p>okay, so i dont really know much about DLLs. but i need to edit some of them. ones that seem like archive files.
  such as: firefox's xul.dll, windows/twain_32.dll</p>
  
  <p>when i tried to open them in .NET Reflector, it couldnt open them. and a really downvoted answer on here made me realize they can be opened with 7zip, and seem to have files inside.
  i can extract the files, but cant edit the dll, and i dont know how to create a dll like this. i dont have visual c++ or basic, and i dont know if i could do this with them.</p>
  
  <p>thank you in advance, or how to say</p>