Scrolling Property for a Tree

Hi Experts,
I have a transparent container and a tray in this container.
In this tray I have created a tree. Now I have to set the vertical scrolling property for this tree.
(I have already set the Web Dynpro application's parameter:
PARAMETER: WDTABLENAVIGATION
VALUE: SCROLLBAR). But this doesn't seem to work.
Is there any way out to achieve this. Your valuable inputs please.
Thanks in Advance,
Hyder.

Hi,
As u have said u have a transparent container... set the property "ScrollingMode = Auto OR Both"
or esle set the same property type for the Tray UI element.
May be this will help u
As i have developed the same i have achived this...
Regards
Raja

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