Another option is to use Visual SourceSafe on your project - it has something like this built in.

>That was very cool. Thanks a lot.
>
>>Hi James,
>>
>>Essentially you need a way to "flatten" the VCX/VCT so you can use something like Beyond Compare or any other text file comparison program to see what's different.
>>
>>To flatten the classlib (also works for forms) take a look at:
>>
>>http://pfsolutions-mi.com/blog/category/VFP.aspx?page=4
>>
>>http://www.scootersoftware.com/vbulletin/showthread.php?t=4129
>>
>>These two should help.
>>
>>Good luck!