First off, that's actually how you have to close spreads with TWS. You have to create the opposite trade and execute it. Whether you use price, gamma, or whatever else you want, it's the same exact concept. You're backing out of the trade without the system doing it for you with the simple click of a button like every other quality trading software in existence. As I said, anybody over the age of 6 should understand that a simple right click --> close is all the computer system should need. I didn't say I couldn't do it the way TWS makes you do it, I simply said I shouldn't have to. Don't even try to pretend you don't understand how irrational and illogical some aspects of TWS are.
Secondly, it is actually possible to comment on forums without being a dick about it. High school insults about IQ? Seriously?
TWS is garbage for charting and analysis of options, and it's irrational and slow for executing trades. It certainly has a lot of industry leading aspects as well which is why people use it, but you really don't need to try to pretend you don't know there are flaws with it. That just makes you sound like a hack. Oh wait, you used the word gamma, you must be a pro...
Also, the option pricing in TWS seem backwards with their "+/-" quoting.