QTreeView item icons

[Nick Arini]

Hi,

can anyone tell me how to add an icon to a QTreeView using the 
model/view architecture.

I have tried using model->setData(index, QIcon("image.png"), 
Qt::DecorationRole) and while this does not cause compiler errors it 
does not display the icon.

I have modified the simpletreemodel example. so model here is a subclass 
of QAbstractItemModel.

Thanks for any pointers.

Nick