Most of the time it's because the asker didn't bother to google it while the result can be easily got within the first page. Sometimes they need to improve search skill. When they enter the question they don't even have a look at SO's suggestions while I'm sure there are tons of duplicates already.

A right/wrong flag will make the code simpler. But I think you should place all the values in 2 arrays and use memcmp (or similar functions)

no. after renaming just press F5 and the name will be refreshed

Mine was Pascal but now I almost forgot it

although VS is a 32 bit application it can produce x86, x86_64, Itanium and even ARM code for windows phone just change the project to 64 bit and you'll get 64 bit apps compiled