CAPI question: how do I edit an item in a list or tree-view "in place"?

Hi

subject says it all.  Is is possible?  I have an item in a tree-view 
and I would like to change its text by editing it "in-place".  I.e. 
without popping up a text-input pane.

Cheers

--
Marco Antoniotti					http://bioinformatics.nyu.edu
NYU Courant Bioinformatics Group		tel. +1 - 212 - 998 3488
715 Broadway 10th FL				fax. +1 - 212 - 998 3484
New York, NY, 10003, U.S.A.