I don't know if there is a way, but I guess is not a good idea to go into the core of the MFC and modify things. I personally find the CTRL+H (search and replace all) very usefull for that moment, and is just a few seconds.
Greetings. -------- M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you “The First Rule of Program Optimization: Don't do it. The Second Rule of Program Optimization (for experts only!): Don't do it yet.” - Michael A. Jackson