You can use the Chilkat VB6 API Examples to send a GET request to an endpoint like api.qrserver.com and save the resulting PNG or display it in a PictureBox . 3. Commercial ActiveX / OCX Controls
Although officially deprecated, it remains widely used for simple tasks. You can download the image using a simple HTTP request. Example URL: https://googleapis.com . qr code in vb6
You simply add mdQRCodegen.bas to your project. You can then call the QRCodegenBarcode function, which returns a vector-based StdPicture object. This allows you to scale the QR code to any size without losing quality. Example Code: You can use the Chilkat VB6 API Examples
Visual Basic 6.0 (VB6) may be a legacy environment, but its ability to integrate with modern data formats like QR codes remains a common requirement for industrial, retail, and logistical applications. You can download the image using a simple HTTP request
An excellent open-source choice is the VbQRCodegen library on GitHub . It is based on the highly-regarded Nayuki QR library and is distributed as a single .bas module.
' In a form with an Image control named Image1 Set Image1.Picture = QRCodegenBarcode("https://example.com") Use code with caution. 2. Using Web APIs (Fastest Setup)
For enterprise environments that require dedicated support or advanced features (like adding logos or specific error correction levels), ActiveX controls are a standard choice. GitHubhttps://github.com wqweto/VbQRCodegen: QR Code generator library for VB6/VBA