How to scroll images vertically in blackberry

All the screens I've designed for BlackBerry so far I set the position coordin开发者_运维知识库ates statically, without the need of a vertical scroll.

I do not understand how to use this vertical manager to scroll and see the list.

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We have to create vertical field manager as follow

VerticalFieldManager manager=
    new VerticalFieldManager(
         Manager.VERTICAL_SCROLL | 
         Manager.VERTICAL_SCROLLBAR );

to scroll fields in vertical field manager. The following link will also help you.

How to set a ScrollBar to the VerticalFieldManager in Blackberry?