title: Free C# XML Diff library or class
body: <p>I’m looking for XML Diff class or library. There are my requirements: 
   - open source :) 
   - object model for output (*)
   - rather fast (for 4mb XML)</p>
  
  <p>I'm trying to use MS XML Diff and Patch Tools, but I wanna get a list of objects with differences of 2 XML files (instead HTML markup).</p>
  
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  <p>UPD: Thanks for all of your responses. I implemented my own solution; it’s not too hard with Linq2Xml :) 
  UPD2: Sorry guys, but i can't post my solution here now (i actually haven't got it because i have changed my work recently). Also my solution have some specific parts, so it can't suit common problems any way. The main advice is to use Linq2Xml, implement your logic and have fun :)</p>