how would I get the selected checkboxes from the combobox?

[manju40529]

Give example to get the selected check box values from combo box...

I am looking for something like that (second one on that page, the picklist) :

http://www.smartclient.com/smartgwt/showcase/#multi_select_combobox_category
(http://www.smartclient.com/smartgwt/showcase/#multi_select_combobox_category)
please help me:)