How to modify Desktop in Extjs4

Hi,

I discovered ExtJS4 after some work on ExtJS2.

I have to begin with the example version of Desktop and change a lot of thing. One of this is to add tooltip when mouseover on the icon in the desktop. Can you help me ?

I have too to add dataview in a window (not Ext.window.Window but Ext.ux.desktop.Module) and allows the click on this.

I need your help !

Thank you :)

I managed to display dataview into a window ! I used the example chooser in folder view.

If somebody knew if it's possible to add tooltips to desktop icons, please anwser :)

If it does not work, I will add div and use simple JavaScript :)