.Net 文件比较

http://razor.occams.info/code/diff/
http://www.codeproject.com/KB/recipes/diffengine.aspx
http://www.codeproject.com/KB/cs/differ.aspx
http://www.mathertel.de/Diff/
http://www.menees.com/index.html
http://www.codeproject.com/KB/recipes/c__diff_algorithm.aspx