I should have made it clear that I was testing your original code again, to give the output that you first expected. The Synchronise/Render/Designer buttons do not run anything, they only change the text in the title bar on the output window when pressed.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)