FindPrevious() public method

public FindPrevious ( ) : void
return void
 private void btnPrevious_Click(object sender, EventArgs e)
 {
     _fr.FindPrevious();
     _fr.LocateCurrentElement();
     ShowItem();
     txtState.Text = StateCurrentItem() + " previous found.";
 }
        private void btnFindPrevious_Click(object sender, EventArgs e)
        {
            if (_fr == null)
            {
                MessageBox.Show("Start search with 'Find'");
                return;
            }

            _fr.FindPrevious();
            _fr.LocateCurrentElement();
            txtStatus.Text = _fr.ItemShortDescription();
        }