/// <summary> /// 计时器方法 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void Timer_RecognitionQRCode(object sender, EventArgs e) { string strQRCode = QRCodeHelper.BarcodeReader(GetWindowBitmap()); if (string.IsNullOrEmpty(strQRCode)) { //MessageBox.Show("图像未识别"); } else { timer.Stop(); RecognitionBtn = "识别二维码"; MessageBox.Show(strQRCode); return; } }