When UTF8=true, non-ASCII characters are encoded in UTF-8. Use this property only if the receiving party's hardware and software are ECI-compatible. The ECI property indicates the code page of text encoded in the barcode. The sample picture on the right shows the QR Code with version 10 matrix. QrMinVersion forces the encoder to use the specified and higher matrix versions to encode user-supplied data. QR Code generated by a VB.NET application in Excel Setting QrECL=L will free more space for user data, but only 7% of data will be restored if the barcode is corrupted. Setting QrECL=H will restore up to 30% of stored data in case of barcode corruption, but the error correction block size will take up to 60 percent of barcode capacity. To manually control the QR Code error correction, change the value of the QrECL property to L, Q, or H. To create a QR Code in Excel, set Alphabet = enumAlphabet.QRCODE.
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