c#读条码程序

protected Intermec.DataCollection.BarcodeReader gScanner; public Scan() { InitializeComponent(); } #region Intermec 扫描处理 #region 启动Intermec扫描 protected void OpenScanner() { if (Common.exceptionFlag == "0") { Application.DoEvents(); if (gScanner != null) { return; } try { gScanner = new BarcodeReader(); gScanner.BarcodeRead += new BarcodeReadEventHandler(Scanner_BarcodeRead); gScanner.ThreadedRead(true); } catch (System.Exception) { MessageBox.Show("您的设备不支持扫描不能进行清查操作，只具有查看设备信息功能！", Common.messageCaption); Common.exceptionFlag = "1"; } } } //关闭扫描 protected void CloseScanner() { if (Common.exceptionFlag == "0") { try { Application.DoEvents(); if (gScanner != null) { gScanner.BarcodeRead -= new BarcodeReadEventHandler(Scanner_BarcodeRead); gScanner.Dispose(); gScanner = null; GC.Collect(); } } catch (System.Exception) { MessageBox.Show("您的设备不支持扫描不能进行清查操作，只具有查看设备信息功能！", Common.messageCaption); Common.exceptionFlag = "1"; } } } #endregion #region 定义Intermec扫描事件 protected void Scanner_BarcodeRead(object sender, BarcodeReadEventArgs bre) { string dabh = bre.strDataBuffer;