using System;

using System.Drawing;

using AForge.Video;

using AForge.Video.DirectShow;

using ZXing;

​

class Program {

    public static void Main(string[] args) {

        var videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);

        var videoDevice = new VideoCaptureDevice(videoDevices[0].MonikerString);

        videoDevice.NewFrame += VideoDevice_NewFrame;

        videoDevice.Start();

​

        Console.ReadLine();

        videoDevice.SignalToStop();

        videoDevice.NewFrame -= VideoDevice_NewFrame;

    }

​

    private static void VideoDevice_NewFrame(object sender, NewFrameEventArgs eventArgs) {

        Bitmap image = (Bitmap)eventArgs.Frame.Clone();

        BarcodeReader reader = new BarcodeReader();

        var result = reader.Decode(image);

        if (result != null) {

            Console.WriteLine("Barcode: " + result.Text);

        }

    }

}

​