folder symbol when handling node_double_click

Hi,

I am using the class cl_gui_alv_tree to display tree structure.

I am getting folder symbols in the tree structure ,I have to remove these.

how to do???.

Another thing is I have to handle the event node_double_click.

it is triggered if I double click on folder symbol only.

if I remove the folder symbol how to handle this...

please very very very urjent

Srilakshmi.