Lol, yes, I think if you are professionally employed then a good knowledge of the language you are employed for is necessary. My comment was only referring to Orbiter add-ons, because you have the liberty to move at your own pace, and the freedom to do whatever you want. A lot of people are just lazy. If they get a compile time error, they won't even make an effort to find the answer themselves. They'll just go and post it here, when Google is likely going to have the answer on the first page. For simpler things, the rest of us get very annoyed :thumbup:.