private void QRCode_Done_Click(object sender, EventArgs e) { try { Bitmap bp; label7.Text = ""; if (!String.IsNullOrEmpty(QR_textBox_Memo.Text)) { //bp = QRCode.GetCode( QR_textBox_Memo.Text, QRCode.ENCODE_MODE.BYTE, QRCode.ERROR_CORRECTION.HIGH, 0, 4 ); bp = QRCode.GetCode(QR_textBox_Memo.Text, QRCode.ErrorCorrectionLevel.HIGH, QRCode.BarcodeFormat.QR_CODE, 300, 300); QR_pictureBox_QRCode.Image = bp; } } catch (Exception ex) { label7.Text = ex.Message; } }