public void Clear()
{
m_top_index = -1;
m_top_item = null;
m_selected_items = new ListItem[0];
m_selected_item = null;
m_selected_index = -1;
}
private void SaveState()
{
m_top_index = m_list_box.TopIndex;
if ((m_top_index != -1) && (m_top_index < m_list_box.Items.Count))
m_top_item = m_list_box.Items[m_list_box.TopIndex] as ListItem;
m_selected_items = m_list_box.SelectedItems.Cast<ListItem>().ToArray();
m_selected_item = m_list_box.SelectedItem as ListItem;
m_selected_index = m_list_box.SelectedIndex;
}
