void setRichAndFlowButton_Click(object sender, EventArgs e)
       {
           Template template1 = CreateTemplate(3, 21);
           AddPrintInfoCellColumnFooterSection(template1, 21);
           this.gcMultiRow1.Template = template1;
           gcMultiRow1.RowCount = 50;

           //All UI elements are printed, like UpDown button.
           gcMultiRow1.PrintSettings.PrintStyle = PrintStyle.Rich;
           //All Rows are printed from first page to last page, one by one.
           gcMultiRow1.PrintSettings.PagingMode = PagingMode.Flow;
           //The GcMultiRow is aligned by MiddleLeft.
           gcMultiRow1.PrintSettings.Alignment = MultiRowContentAlignment.MiddleLeft;
           //Between every two Rows, there are 15 pixels.
           gcMultiRow1.PrintSettings.SectionMargin = 15;
           //Only the Row from 2th to 8th are printed
           gcMultiRow1.PrintSettings.PrintRange = MultiRowPrintRange.SomeRows;
           gcMultiRow1.PrintSettings.FromRow = 2;
           gcMultiRow1.PrintSettings.ToRow = 8;

           if (flag)
           {
               //The Template's width is less than page's width, set AutoFitWidth to true, the Template is zoomed out to fit the page's width.
               gcMultiRow1.PrintSettings.AutoFitWidth = true;
               flag = false;
           }
           else
           {
               gcMultiRow1.PrintSettings.AutoFitWidth = false;
               flag = true;
           }
           gcMultiRow1.PrintSettings.ZoomFactor = 1f;
           try
           {
               gcMultiRow1.PrintPreview();
               //If you have a printer, you can execute the following code directly instead.
               //gcMultiRow1.Print(true);
           }
           catch (Exception ex)
           {
               // Can't find printer driver.
               MessageBox.Show(ex.Message);
           }
           label.Text = "In Rich style, all elements are printed, like UpDown button; Between two rows, 15 pixels space exists; Only  the 2th to 8th row are printed one by one from page's Top to Bottom; The GcMultiRow is aligned by MiddleLeft; (Click the button again to view the AutoFitWidth property's effect)";
       }