使用功能強大的條碼掃描器庫在 Windows 應用程式中使用 .NET MAUI 掃描條碼

IronBarCode.License.LicenseKey = "YOUR_IRONBARCODE_LICENSE_KEY";

Imports IronBarCode

IronBarCode.License.LicenseKey = "YOUR_IRONBARCODE_LICENSE_KEY"

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="BarcodeScanner.MainPage">
    <ScrollView>
        <VerticalStackLayout Spacing="20" Padding="30">
            <Label Text="MAUI Barcode Scanner"
                   FontSize="24"
                   HorizontalOptions="Center" />
            <Button x:Name="SelectImageBtn"
                    Text="Select Image File"
                    Clicked="OnSelectImage" />
            <Image x:Name="SelectedImageDisplay"
                   HeightRequest="250" />
            <Label x:Name="ResultsLabel"
                   Text="Barcode results will display here" />
        </VerticalStackLayout>
    </ScrollView>
</ContentPage>

using IronBarCode;
namespace BarcodeScanner;
public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }
    private async void OnSelectImage(object sender, EventArgs e)
    {
        try
        {
            // Open file picker for image selection
            var result = await FilePicker.PickAsync(new PickOptions
            {
                FileTypes = FilePickerFileType.Images,
                PickerTitle = "Select a barcode image"
            });
            if (result != null)
            {
                // Display the selected image
                var stream = await result.OpenReadAsync();
                SelectedImageDisplay.Source = ImageSource.FromStream(() => stream);
                // Read barcodes from the image file
                var barcodes = BarcodeReader.Read(result.FullPath);
                // Display all detected barcode values
                if (barcodes.Count > 0)
                {
                    string output = string.Join("\n",
                        barcodes.Select(b => $"{b.BarcodeType}: {b.Value}"));
                    ResultsLabel.Text = output;
                }
                else
                {
                    ResultsLabel.Text = "No barcodes detected in image";
                }
            }
        }
        catch (Exception ex)
        {
            ResultsLabel.Text = $"Error occurred: {ex.Message}";
        }
    }
}

Imports IronBarCode

Namespace BarcodeScanner
    Public Partial Class MainPage
        Inherits ContentPage

        Public Sub New()
            InitializeComponent()
        End Sub

        Private Async Sub OnSelectImage(sender As Object, e As EventArgs)
            Try
                ' Open file picker for image selection
                Dim result = Await FilePicker.PickAsync(New PickOptions With {
                    .FileTypes = FilePickerFileType.Images,
                    .PickerTitle = "Select a barcode image"
                })
                If result IsNot Nothing Then
                    ' Display the selected image
                    Dim stream = Await result.OpenReadAsync()
                    SelectedImageDisplay.Source = ImageSource.FromStream(Function() stream)
                    ' Read barcodes from the image file
                    Dim barcodes = BarcodeReader.Read(result.FullPath)
                    ' Display all detected barcode values
                    If barcodes.Count > 0 Then
                        Dim output As String = String.Join(vbCrLf, barcodes.Select(Function(b) $"{b.BarcodeType}: {b.Value}"))
                        ResultsLabel.Text = output
                    Else
                        ResultsLabel.Text = "No barcodes detected in image"
                    End If
                End If
            Catch ex As Exception
                ResultsLabel.Text = $"Error occurred: {ex.Message}"
            End Try
        End Sub
    End Class
End Namespace

using IronBarCode;
// Configure options for scanning multiple barcodes
var options = new BarcodeReaderOptions
{
    ExpectMultipleBarcodes = true,
    ExpectBarcodeTypes = BarcodeEncoding.QRCode | BarcodeEncoding.Code128,
    Speed = ReadingSpeed.Balanced
};
var barcodes = BarcodeReader.Read(imagePath, options);
// Process each detected barcode
foreach (var barcode in barcodes)
{
    Console.WriteLine($"Found: {barcode.Value}");
}

Imports IronBarCode

' Configure options for scanning multiple barcodes
Dim options As New BarcodeReaderOptions With {
    .ExpectMultipleBarcodes = True,
    .ExpectBarcodeTypes = BarcodeEncoding.QRCode Or BarcodeEncoding.Code128,
    .Speed = ReadingSpeed.Balanced
}
Dim barcodes = BarcodeReader.Read(imagePath, options)

' Process each detected barcode
For Each barcode In barcodes
    Console.WriteLine($"Found: {barcode.Value}")
Next