How to Create and Save a Complete QR Code Generator in Visual Basic.Net

[@shihabindian]

Thanks

[@DJOamen]

Welcome

[@ICTCOMPUTERINSTITUTEP]

Hello sir how can i get Ofline dll? Please Help

[@DJOamen]

To generate QR codes in Visual Basic .NET offline, you can use a library that supports QR code generation without requiring an internet connection. Here’s how you can get and integrate an offline DLL for this purpose:
Steps to Get an Offline DLL for QR Code Generation
1. Download a Compatible Library
Some popular libraries for QR code generation include:
- ZXing.Net: A .NET port of the ZXing (Zebra Crossing) library.
- QRCoder: A purely managed .NET library for QR code generation.
You can download these libraries as DLL files:
- For ZXing.Net: Visit the [ZXing.Net GitHub](github.com/micjahn/ZXing.Net) or download a compiled DLL from NuGet.
- For QRCoder: Visit the [QRCoder GitHub](github.com/codebude/QRCoder) or download a DLL version from NuGet.
2. Install the DLL
- Place the DLL file in your project folder.
- In Visual Studio, right-click your project in the Solution Explorer and choose Add Reference.
- Browse to the DLL file and add it as a reference.
3. Add Code to Generate QR Code
Example for using ZXing.Net in VB.NET:
```vb.net
Imports ZXing
Imports System.Drawing
Module QRCodeGenerator
Sub Main()
Dim qrWriter As New BarcodeWriter()
qrWriter.Format = BarcodeFormat.QR_CODE
Dim qrContent As String = "Hello, World!"
Dim qrImage As Bitmap = qrWriter.Write(qrContent)
' Save the QR Code as an image
qrImage.Save("qrcode.png", Imaging.ImageFormat.Png)
Console.WriteLine("QR Code generated and saved as 'qrcode.png'")
End Sub
End Module
Example for using QRCoder:
vb.net
Imports QRCoder
Imports System.Drawing
Module QRCodeGenerator
Sub Main()
Dim qrGenerator As New QRCodeGenerator()
Dim qrData As QRCodeData = qrGenerator.CreateQrCode("Hello, World!", QRCodeGenerator.ECCLevel.Q)
Dim qrCode As New QRCode(qrData)
Dim qrImage As Bitmap = qrCode.GetGraphic(20)
' Save the QR Code as an image
qrImage.Save("qrcode.png", Imaging.ImageFormat.Png)
Console.WriteLine("QR Code generated and saved as 'qrcode.png'")
End Sub
End Module
```
4. Test Your Program
Run the program and check the output folder for the generated QR code image.

[@ICTCOMPUTERINSTITUTEP]

@@DJOamen Thank you sir

[@mso-tech2721]

Hello Sir!
The code doesn't work for Visual Studio 2022

[@DJOamen]

Carefully watch the video tutorial again, make sure you follow the instructions and try again

[@Khunryijduy]

Popcom you hopland American 🎉❤❤❤❤❤❤❤❤🎉

[@DJOamen]

👍

[@Khunryijduy]

Popcom 🎉❤❤❤❤❤❤❤❤❤🎉😊❤😊😊😊🎉😂😂😂🎉

[@DJOamen]

👍👍👍👍👍👍👍👍👍