private void OnItemClicked(Object sender, ToolStripItemClickedEventArgs e)
{
Debug.Assert(m_wrapper != null,
"The key terms wrapper must be specified in KeyTermsToolStrip");
// Evaluate the clicked toolstrip item to handle the click event.
if (e.ClickedItem == m_tbbUseAsVern)
m_wrapper.AssignVernacularEquivalent();
else if (e.ClickedItem == m_tbbNotRendered)
m_wrapper.UnassignVernacularEquivalent();
else if (e.ClickedItem == m_tbbVernNotAssigned)
m_wrapper.IgnoreSpecifyingVernacularEquivalent();
else if (e.ClickedItem == m_tbbApplyFilter)
m_wrapper.ApplyBookFilter = !m_wrapper.ApplyBookFilter;
else if (e.ClickedItem == m_tbbFindKeyTerm)
ShowFindKeyTermControl();
else if (e.ClickedItem == m_tbbUpdateKeyTermEquivalents)
m_wrapper.UpdateKeyTermEquivalents();
}