Retrieving Column Data from a ListStore?

[Mike Wey]

On 24-04-2019 16:38, Ron Tarrant wrote:
> Another thing I've been struggling with is fetching data from a 
> TreeIter. Getting the iter itself is no problem, but when it comes to 
> getting the contents of a specific column within the iter, none of the 
> methods I've tried have worked. In fact, it almost seems like none of 
> them are implemented.
> 
> I've written a callback function named onChanged() in the MyComboBox 
> class that gets the TreeIter, but that's all I can get working. If 
> anyone knows how to grab data from column 2 of the iter (see the 
> MyListStore class at the bottom for the structure of the store) I'd be 
> ever so grateful if you could fill in whatever else would be needed in 
> that callback.
> 
> Here's the code:
> 
> ```
> ...
> 
> ```

The ListStore/TreeModel provides functions to retrieve the data, 
`gtk.TreeModelIF.TreeModelIF.getValue`.

A TreeIter indicates the row these kind of function apply to.
-- 
Mike Wey