I just did it with mine, just renewed, and sent it straight away to immi to do the change my work visa from the old to the new one...you may want to take a photo in your phone of the old and new one, and also of the stamp of the visa, in case the stop you, cos the whole process take a month more or less
Thank you to all the people that answered at the QUESTION that I asked...you have been really helpful ...to the rest of the people that were just judging , sorry it won't happen again.. apparently you are in the kind of category that never makes a mistake...keep like this guys, you are the saviour of this world...
Follow...I'm doing the same right now...on my way to bangkok for take a fly to Cambodia...I have been told that it's better apply straight from the Thai embassy instead of doing online