[Interest] 5.8.0 QAbstractListModel

[Лагнер, Сергей]

Taking into account the name of your variable I can assume that your
collection is growing.
If it is correct you should take a look to beginInsertRows/endInsertRows
first.

My 2 cents

-- 
Best regards, Sergey Lagner

2017-01-16 6:19 GMT+07:00 mark diener <rpzrpzrpz at gmail.com>:

> Cannot use emit dataChanged(index(0),index(growcount-1)) to cause
> re-display of changed
> values in ListView.
>
> Tried every combination:
>
> emit dataChanged(index(grow),index(grow));
> emit dataChanged(index(0),index(grows));
> emit dataChanged(index(0),index(grows-1));
>
> Only can repaint entire ListView with:
>
>     this->beginResetModel();
>     this->endResetModel();
>
> But this is overkill,. I want to trigger the Model to update a single
> row.
>
> Anyone with ideas?
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