You can use a TextInput, it automatically prevent new line.
1. Is there no other way how to do it?
2. I am a beginner How do I detect the combination?
It is a TextInput already and it doesn't seem to prevented? What am I doing wrong?
I don't think there is another way.
keyDown="if (event.keyCode == Keyboard.ENTER && event.ctrlKey == true) goCleanUp()"
Flex SDK Developer
Adobe Systems Inc.