private void ErrorBox2_OnGoToErrorPositionEvent(object sender, EventArgs e)
        {
            TextBox2.Focus();

            if (_errorPosition2 == -1)
            {
                return;
            }
            if (TextBox2.LineCount != 1)
            {
                TextBox2.ScrollToLine(TextBox1.GetLineIndexFromCharacterIndex(_errorPosition2));
            }
            TextBox2.CaretIndex = _errorPosition2;
        }