Generate QR CODE in VB.NET

Generate QR Code in VB.NET

I am Creating Windows application using VB.Net. In this Article you will learn about Generate QR Code in VB.NET.
I am Creating windows application in vb.net named Generate QR Code in VB.NET. In this application I am using MessagingToolkit.dll, one Textbox, one PictureBox, Three Button controls and One Labels.

I am using Following Controls and it's name
txt_QRcode.Text : It is used to Enter the QR Code.
pic_QRcode.Image : It is used to Display QR Code.
Btn_Generate : It is used to get the QR Code.
Btn_save : It is used to Save QR Code.
Btn_Clear : It is used to Clear QR Code

Step 1 => Import MessagingToolkit.dll

Download MessagingToolkit.dll

Imports MessagingToolkit.QRCode.Codec

Step 2 => QR Code Generate Code

 Try
     Dim qrCode As New QRCodeEncoder()
     qrCode.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE
     qrCode.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L
     pic_QRcode.Image = qrCode.Encode(txt_QRcode.Text, System.Text.Encoding.UTF8)
     Catch ex As Exception
     MessageBox.Show(ex.Message, "Error!", MessageBoxButtons.OK, MessageBoxIcon.Information)
End Try
          

Step 3 => QR Code Save My Computer

SD.InitialDirectory = My.Computer.FileSystem.SpecialDirectories.Desktop
        SD.FileName = txt_barcode.Text
        SD.SupportMultiDottedExtensions = True
        SD.AddExtension = True
        SD.Filter = "PNG File|*.png"
        If SD.ShowDialog() = DialogResult.OK Then
            Try
                Pic_barcode.Image.Save(SD.FileName, Imaging.ImageFormat.Png)
            Catch ex As Exception
            End Try
        End If

Step 4 => QR Code Clear

txt_QRcode.Clear()
pic_QRcode.Image = Nothing
txt_QRcode.Focus()

Thanks

Happy Coding

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