private void GenBarcodeBtn_Click(object sender, EventArgs e) { if (DocListChkLst.CheckedItems.Count > 0) { ArrayList docTypeAr = new ArrayList(); for (Int32 x = 0; x < DocListChkLst.CheckedItems.Count; x++) { docTypeAr.Add((CheckedListBoxItem)DocListChkLst.CheckedItems[x]); } Reorder reorderForm = new Reorder(docTypeAr); if (reorderForm.ShowDialog(this) == DialogResult.OK) { docTypeAr = reorderForm.DocTypeAr; WriteTempPDF(docTypeAr); PacketPDFPanel.src = Properties.Settings.Default.TempDirectory + @"\Temp.pdf"; } } else { MessageBox.Show("Please check one or more document types"); } }