Add a ( cmdGenerate ) to trigger the generation. Add an Image Control ( imgQRCode ) to display the result. 2. Paste the Source Code Copy and paste this code into your Form’s code window:
You then need to have the qrencode.dll (compiled for 32-bit) in your app folder. This is the most professional approach but requires you to build the DLL yourself or find a precompiled version. vb6 qr code generator source code
All source code is provided under the MIT License. See the accompanying zip file for the full frmQR.frm , modQR.bas , and precompiled DLLs. Add a ( cmdGenerate ) to trigger the generation
But there’s a catch: VB6 itself provides no native QR generation methods. So how do you generate QR codes in a language that predates the QR standard (invented in 1994, popularized after 2000)? Paste the Source Code Copy and paste this
, which returns a PNG or JPEG directly into your application. Implementation Tips
The code renders QR modules as individual Line or PSet calls to a PictureBox . This is slow for large QR codes and produces low-quality BMPs. No direct export to PNG, SVG, or high-res printing. Saving as PNG requires third-party DLLs (e.g., CGImageLib ).