Hi, I do not exactly know about freepascal details, but inside a gtk
listview model, there has to be something like an array or equivalent
object that represents the row, so you can have values for every column
in the listview model.

So I think that should be a constructor for such an object, something
like ItemRow or ListViewRow or something like that.
Or yo should be able to pass an array to listview.Items.Add().

Hope this helps.

Regards,
Fer
On Tue, Mar 15, 2016 at 07:41:21PM +0100, Edward Bartolo wrote:
> Hi,
>
> I am using a GtkTreeView widget to use a listview. I need to
> add/delete strings to/from the tree view but have not figured out how
> this supposedly simple operation can be done.
>
> In Lazarus Object Pascal, the above is as simple as it can be:
>
> listview.Items.Add('the string I need to add');
>
> And:
>
> if listview.items.count > 0
> then listview.Items.Delete(0); // if I want to delete the first string
>
> Edward
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