public Form1() { InitializeComponent(); this.loadFileNamesInListBox(); this.label1.Text = "Destination: " + strUploadDirectory; this.txtWorkID.Focus(); try { //create a instance of SymbologyOptions class symbOptions = new Intermec.DataCollection.SymbologyOptions(); //enable symbology options exceptions symbOptions.EnableSymbologyOptionsExceptions(true); strDefaultPostamble = this.symbOptions.Postamble.ToString(); this.symbOptions.Postamble = @"\t"; } catch (SymbologyOptionsException SymbOpXp) { MessageBox.Show(SymbOpXp.Message); } catch (Exception exp) { MessageBox.Show(exp.Message); } }