any tools to compare the source codes before and after changed

I wonder if there is any tools for comparing the source codes written in VC/C++ and get the difference about which line was changed in the new one.

thanks.
junhongukAsked:
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AlexFMCommented:
Use WinDiff program which comes with Visual Studio. It is listed in the Programs menu, Visual Studio 6.0 - Visual Studio 6.0 Tools - WinDiff.
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AlexFMCommented:
In Visual Studio 8.0 you can find it in the directory Microsoft Visual Studio 8\Common7\Tools\Bin.
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junhongukAuthor Commented:
the version of my visual studio is 7.0.
I can't find the program you said.

All the files in the folder "Microsoft Visual Studio 8\Common7\Tools\Bin" are:

Bind.exe, DisableMsg.Exe, gtrts32w.dll, gtrtst32.dll, IViewers.dll, LTM.exe,
MC.exe, Midl.exe, MidlC.exe, MkTypLib.exe, odbct32w.exe, odbcte32.exe,
OleView.exe, RC.exe, RcDll.Dll,ReBase.exe, RowsetViewer.exe,
UndName.exe, Uuidgen.exe.

which one do I need?

thanks

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AlexFMCommented:
Make search for WinDiff.exe in all Visual Studio folder. If you have Microsoft SDK, search also there.
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mahesh1402Connect With a Mentor Commented:
There is an excellent code compare utility called ExamDiff.  See
http://www.prestosoft.com/ps.asp?page=edp_examdiff.  The standard edition is free.

-MAHESH
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junhongukAuthor Commented:

Search complete. but no results for WinDiff.exe.

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mahesh1402Commented:
except examdiff you may take a look at Other professional tools for this :

Compare It
http://www.grigsoft.com/wincmp3.htm

and Beyound Compare ( This is commercial but Great tool I am using this ! )
http://www.scootersoftware.com/

-MAHESH
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junhongukAuthor Commented:
very helpful.
thank you guys.
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