You have several Xojo and Real Studio versions in use? Want to know in advance what version a project has?
Well, in that case, try our plug-in for QuickLook: MBS-Xojo-QuickLook-Plugin.dmg
After installation of our plug-in to /Library/QuickLook and you run "qlmanage -r" in Terminal app or logged in the next time, your icons look like this:
Enjoy! This plug-in is freeware, so tell your friends. Version 1.5 adds support for newer Xojo versions.