I know,but, how? please...
I think , it can be writing some script at a button's client side ExtEvents like these:
Ext.button.Button
function mousemove(sender, x, y, eOpts)
{
Mainform.UniPopupMenu1.popup;
}
function mouseout(sender, e, eOpts)
{
mainform.UniPopupMenu1.close;
}
----------------------------------
but don't work...