Don't you have the answer from the other posting you hijacked?
Seems to me lack an indent of 0 does what you want.
If it doesn't work then you will need to write your own UI. So look at the code to see where those UIManager properties are used and then customize it for your requirements.
If you need further help then you need to create a
SSCCE (Short, Self Contained, Compilable and Executable, Example Program), that demonstrates the incorrect behaviour.
Don't forget to use the Code Formatting Tags so the posted code retains its original formatting. That is done by selecting the code and then clicking on the "Code" button above the question input area.