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private void toolStripButton3_Click(object sender, EventArgs e) // кнопка для записи печати документа
        {
            if (printDialog1.ShowDialog() == DialogResult.OK)
            {
                printDocument1.Print();
            }
        }


        private void OnBeginPrint(object sender, System.Drawing.Printing.PrintEventArgs e) 
        {
            char[] param = { '\n' };
            if (printDialog1.PrinterSettings.PrintRange == PrintRange.Selection)
            {
                output = TipDiscTextBox.SelectedText.Split(param);
            }
            else
            {
                output = TipDiscTextBox.Text.Split(param);
            }
            int i = 0;
            char[] trimParam = { '\r' };
            foreach (string s in output)
            {
                output[i++] = s.TrimEnd(trimParam);
            }
        }


        private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            int linesPrinted = 0;
            int x = e.MarginBounds.Left;
            int y = e.MarginBounds.Top;
            int nachSim = 0;
         
            Brush brush = new SolidBrush(TipDiscTextBox.ForeColor);
          
            while (linesPrinted < output.Length)
            {
                int dlinaStr = output[linesPrinted].Length + 1;
                TipDiscTextBox.Select(nachSim, dlinaStr);
                nachSim += dlinaStr;
               
                e.Graphics.DrawString(output[linesPrinted], TipDiscTextBox.Font, brush, x, y);
                y += 15;
                if (y >= e.MarginBounds.Bottom)
                {
                    e.HasMorePages = true;
                }
                else
                {
                    e.HasMorePages = false;
                }
                linesPrinted++;
            }
        }