Creation and Visiblity of Buttons in a View

Hi,
I wish to create buttons in a view without the help of HTML coding.
I implemented the interface IF_BSP_WD_TOOLBAR_CALLBACK and using the methods of it I was able to display the buttons of the view.
But when I tried inserting the above view in a View Set or Over View page I am unable to see the buttons.
Is there any chance of displaying the buttons of the view while embeded in a over view page or over view set without the help of HTML Coding.
Hope I am clear on my question
Regards
Edited by: SAP LEARNER on Oct 13, 2011 11:30 AM

Armin Reichert: see TJA311 WebDynpro Part 1 Unit 10, example optional 1 solution 6-3,6-4 -))
my new conclusion is that any UI elements should only be access in wdDoModifyView method
the javadoc discourage from using instance fields not static fields but recommends not to use UIs outside of the method:
Hook method called to modify a view just before rendering.
This method conceptually belongs to the view itself, not to the
controller (cf. MVC pattern).
It is made static to discourage a way of programming that
routinely stores references to UI elements in instance fields
for access by the view controller's event handlers, and so on.
The Web Dynpro programming model recommends that UI elements can
only be accessed by code executed within the call to this hook method.

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