public void ClearItems()
{
this.listView.ClearItems();
}
void sgBox_UserConfirmSelectedItem(object sender, EventArgs e)
{
if (_textbox.CurrentTextSpan != null)
{
_textbox.ReplaceCurrentTextRunContent(_currentLocalText.Length,
(string)_sgBox.GetItem(_sgBox.SelectedIndex).Tag);
//-------------------------------------
//then hide suggestion list
_sgBox.ClearItems();
_sgBox.Hide();
//--------------------------------------
}
}