title: How to add source code to .dll file in Visual Studio Express 2012?
body: <p>I have a 3rd party .dll file and its source code as well ( written in C# ). I can create a new project and add reference of this .dll file to use its methods. But when I debug I want to step in to the methods defined in .dll file ( Just like we do when we have .jar file and its source-code in java ).</p>
  
  <p>How can I do this in Visual Studio Express ( I have VS 2012 ).</p>