TreeViewPersons.SelectRow C# (CSharp) Method

    public void SelectRow(int rowNumber)
    {
        TreeIter iter;
        bool iterOk = store.GetIterFirst(out iter);
        if(iterOk) {
            int count = 0;
            while (count < rowNumber) {
                store.IterNext(ref iter);
                count ++;
            }
            treeview.Selection.SelectIter(iter);
        }
    }