其实，条形码读取器就相当于键盘（I/O)设备，只要设置输入焦点，扫描枪扫描一下就能够显示出数据来！

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;

}