private void btnAutoSize_Click(object sender, EventArgs e)
        {
            int end, start;

            if (txtStart.ParseText(out start) /*ParseTxtStart(out start)*/ && txtEnd.ParseText(out end) /*ParseTxtEnd(out end)*/)
            {
                SetTxtSize(GlobalDataAndMethods.AutoCalculateSize(start, end));
            }
            else
            {
                ErrorParsingMessage("Start or End");
            }
        }
 internal void AutoCalculateSize()
 {
     Size = GlobalDataAndMethods.AutoCalculateSize(start, end);
 }