private void bcScanner_BarCodeReceived(object sender, Control.Barcode.BarCodeReceivedEventArgs e)
        {
            try
            {
                Dispatcher.Invoke(new Action(() =>
                {
                    var strBarCode = e.BarCode;

                    if (this.txtUserID.Text.Trim().Length == 0)
                    {
                        this.txtUserID.Text = strBarCode;
                    }
                    else if (this.txtUserID.Text.Trim().Length > 0)
                    {
                        if (this.txtPwd.Text.Trim().Length == 0)
                        {
                            this.txtPwd.Text = strBarCode;
                        }
                    }

                    if (this.txtUserID.Text.Trim().Length > 0 && this.txtPwd.Text.Trim().Length > 0)
                    {
                        this.ImgLoginBtn_PreviewMouseLeftButtonUp(null, null);
                    }
                }
                                             ));
            }
            catch (Exception err)
            {
                this.BaseClass.Error(err);
            }
        }
 private void bcScanner_BarCodeReceived(object sender, Control.Barcode.BarCodeReceivedEventArgs e)
 {
     try
     {
         var strBarCode = e.BarCode;
     }
     catch (Exception err)
     {
         this.BaseClass.Error(err);
     }
 }