Method GetChildren

src/gui/filesystemmodel.cc:146–156

    }

    unsigned GetChildren(const wxDataViewItem& item,
        wxDataViewItemArray& children) const override
    {
        auto node = Find(item);
        if (!node)
            return 0;

        for (auto& e : node->children)
            children.Add(e.second->item);
        return node->children.size();
    }

    /* --- Mutation API -------------------------------------------------- */