Flow Lay out panel in .net toolbar

There is a bug or some called microsoft functionality in the microsoft flowlayout panel .I have used flowlayout panel in my current project in that panel i have add controls like : Checklistbox control,radiolistbox,regitry flags and many more they all had labels in their top with some fixed size but when i added in the panel then they all are docked in the panel (Top) property but size of the labels was remain same.then i come to know it's a bug then i used panel instead of flowlayout panel.