public void Add(String text, Color color, FontFamily font, FontStyle fontStyle, double fontSize = -1)
        {
            RtwComboBoxItem item = new RtwComboBoxItem(text, color, font, fontStyle, fontSize);

            _items.Add(item);
            comboBox1.Items.Add(item);
        }
 public RtwComboBoxItemSelectedArgs(int index, String selText, RtwComboBoxItem item)
 {
     Index        = index;
     SelectedItem = item;
     SelectedText = selText;
 }
 public void Remove(RtwComboBoxItem item)
 {
     _items.Remove(item);
 }