Imports IronBarCode
Imports AForge.Video
Imports AForge.Video.DirectShow

Public Class Form1
    Private videoDevices As FilterInfoCollection
    Private videoSource As VideoCaptureDevice

    ' Event handler for form load
    Private Sub MainForm_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        videoDevices = New FilterInfoCollection(FilterCategory.VideoInputDevice)
        If videoDevices.Count > 0 Then
            videoSource = New VideoCaptureDevice(videoDevices(0).MonikerString)
            AddHandler videoSource.NewFrame, AddressOf VideoSource_NewFrame
            videoSource.Start()
        Else
            MessageBox.Show("No video devices found.")
            Close()
        End If
    End Sub

    ' Event handler for capturing and processing new frame from the video source
    Private Sub VideoSource_NewFrame(sender As Object, eventArgs As NewFrameEventArgs)
        pictureBoxCamera.Image = DirectCast(eventArgs.Frame.Clone(), Bitmap)

        ' Process each frame for barcode recognition
        Dim image = DirectCast(pictureBoxCamera.Image, Bitmap)
        Dim result = BarcodeReader.QuicklyReadOneBarcode(image, BarcodeEncoding.QRCode Or BarcodeEncoding.Code128)

        If result IsNot Nothing Then
            ' Barcode found, handle the new result (e.g., display the barcode value)
            Dim barcodeValue As String = result.Text
            ShowBarcodeResult(barcodeValue)
        End If
    End Sub

    ' Method to display the barcode result
    Private Sub ShowBarcodeResult(barcodeValue As String)
        ' Invoke on UI thread to update UI controls
        If InvokeRequired Then
            Invoke(New Action(Of String)(AddressOf ShowBarcodeResult), barcodeValue)
        Else
            ' Display the barcode value in a MessageBox or any other UI element
            MessageBox.Show("Barcode Value: " & barcodeValue, "Barcode Detected")
        End If
    End Sub

    ' Event handler for form closing
    Private Sub MainForm_FormClosing(sender As Object, e As FormClosingEventArgs) Handles MyBase.FormClosing
        If videoSource IsNot Nothing AndAlso videoSource.IsRunning Then
            videoSource.SignalToStop()
            videoSource.WaitForStop()
        End If
    End Sub
End Class

Imports IronBarCode
Imports AForge.Video
Imports AForge.Video.DirectShow

Public Class Form1
    Private videoDevices As FilterInfoCollection
    Private videoSource As VideoCaptureDevice

    ' Event handler for form load
    Private Sub MainForm_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        videoDevices = New FilterInfoCollection(FilterCategory.VideoInputDevice)
        If videoDevices.Count > 0 Then
            videoSource = New VideoCaptureDevice(videoDevices(0).MonikerString)
            AddHandler videoSource.NewFrame, AddressOf VideoSource_NewFrame
            videoSource.Start()
        Else
            MessageBox.Show("No video devices found.")
            Close()
        End If
    End Sub

    ' Event handler for capturing and processing new frame from the video source
    Private Sub VideoSource_NewFrame(sender As Object, eventArgs As NewFrameEventArgs)
        pictureBoxCamera.Image = DirectCast(eventArgs.Frame.Clone(), Bitmap)

        ' Process each frame for barcode recognition
        Dim image = DirectCast(pictureBoxCamera.Image, Bitmap)
        Dim result = BarcodeReader.QuicklyReadOneBarcode(image, BarcodeEncoding.QRCode Or BarcodeEncoding.Code128)

        If result IsNot Nothing Then
            ' Barcode found, handle the new result (e.g., display the barcode value)
            Dim barcodeValue As String = result.Text
            ShowBarcodeResult(barcodeValue)
        End If
    End Sub

    ' Method to display the barcode result
    Private Sub ShowBarcodeResult(barcodeValue As String)
        ' Invoke on UI thread to update UI controls
        If InvokeRequired Then
            Invoke(New Action(Of String)(AddressOf ShowBarcodeResult), barcodeValue)
        Else
            ' Display the barcode value in a MessageBox or any other UI element
            MessageBox.Show("Barcode Value: " & barcodeValue, "Barcode Detected")
        End If
    End Sub

    ' Event handler for form closing
    Private Sub MainForm_FormClosing(sender As Object, e As FormClosingEventArgs) Handles MyBase.FormClosing
        If videoSource IsNot Nothing AndAlso videoSource.IsRunning Then
            videoSource.SignalToStop()
            videoSource.WaitForStop()
        End If
    End Sub
End Class

{
    "IronBarCode.LicenseKey": "MYLICENSE.KEY.TRIAL"
}

{
    "IronBarCode.LicenseKey": "MYLICENSE.KEY.TRIAL"
}