Hm, I think I just encountered a bug:
When I set Position to poDesigned, all seems ok. But when I restart Lazarus afterwards, it is set back to poScreenCenter! And I assume that when compiling the project, it is already "poScreenCenter" again and therefore the code doesn't work!
I searched the whole code whether there is any sign of setting it back, but I didn't found a line...
Can anyone confirm this behaviour?
--Dietmar