Spire.Barcode is a professional barcode library specially designed for .NET developers (C#, VB.NET, ASP.NET, .NET Core) and Java developers (J2SE and J2EE) to generate, read and scan 1D & 2D barcodes.

Mon Feb 16, 2015 7:59 pm

How can I increase the size of the generated QR Code
It is a little too small to reliable decode from a scanned image

Posts: 1
Joined: Tue Feb 10, 2015 11:29 am

Tue Feb 17, 2015 7:19 am


Thanks for your inquiry. Please try to set the x/y dimension of the barcode via the following method to change the QR size.
Code: Select all
BarcodeSettings BarCodeSetting = new BarcodeSettings();
BarCodeSetting.Type = BarCodeType.QRCode;
BarCodeSetting.X = 2f;
BarCodeSetting.Y = 3f;

E-iceblue support team
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Joined: Thu Apr 04, 2013 1:30 am

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