public void AddItem(ITsString tss)
{
CheckDisposed();
//first calculate things to we adjust the font to the correct size.
int mpEditHeight = FwTextBox.GetDympMaxHeight(m_comboTextBox);
ITsString tssAdjusted;
tssAdjusted = FontHeightAdjuster.GetAdjustedTsString(tss, mpEditHeight, StyleSheet,
WritingSystemFactory);
Items.Add(tssAdjusted);
}