/// <summary>
/// Set all controls to appropriate states for the current list selections.
/// </summary>
void EnableControls()
{
addButton.Enabled = optionsList.SelectedIndex >= 0;
// We could use OkToRemove here, but we'd rather be able to display the message
// if there is some reason not to.
int listIndex = CurrentListIndex;
removeButton.Enabled = listIndex >= 0; //Enhance: && m_choices.OkToRemove(listIndex);
moveDownButton.Enabled = listIndex >= 0 && m_choices.OkToMoveDown(listIndex);
moveUpButton.Enabled = listIndex >= 0 && m_choices.OkToMoveUp(listIndex);
UpdateWsComboValue();
wsCombo.Enabled = listIndex >= 0 && m_choices.OkToChangeWritingSystem(listIndex);
}
