Did you try giving it a few more pixels in size?
And "No, it doesn't work the same in Vista." This and other areas are creating fine income for programmers.
I have a delphi application which opens out the popup window correctly in XP. When i run the same application in Vista machine the pop-ups appear with scroll bars. how can i avoid this. I want the form to appear in same way in Vista as it appears in XP ie without the scrollbars.