C# Barcode Reader & Scanner SDK Tutorial

BarcodeDetail[] datas = BarcodeScanner.ScanInDetails(inputFilePath, BarcodeType.All);

            BarcodeDetail[] datas = BarcodeScanner.ScanInDetails(inputFilePath, 
                new List<BarcodeType> {BarcodeType.QRCode, BarcodeType.Code128});

String[] inputFilePaths = new String[] {
    Path.Combine(inputFolder, "1.png"),
    Path.Combine(inputFolder, "2.png"),
    Path.Combine(inputFolder, "3.png")
};
String[] result = scanFilesWithMultiThread(inputFilePaths, BarcodeType.Code128);
Console.WriteLine("Count: {0}", result.Length);
foreach (String s in result)
{
    Console.WriteLine("Message: {0}", s);
}

private static String[] scanFilesWithMultiThread(String[] inputFilePaths, BarcodeType type)
{
    if (inputFilePaths == null || inputFilePaths.Length == 0)
        return new String[0];
    try
    {
        //  Scan each file in a Task.
        System.Threading.Tasks.Task<String[]>[] tasks = new System.Threading.Tasks.Task<String[]>[inputFilePaths.Length];
        for (int i = 0; i < inputFilePaths.Length; i++)
        {
            tasks[i] = new System.Threading.Tasks.Task<String[]>(
                (args) => scanSingleFile((Object[])args), new Object[2] { inputFilePaths[i], type }
                );
            tasks[i].Start();
        }
        //  Wait for all Tasks done.
        System.Threading.Tasks.Task.WaitAll(tasks);

        //  Combine all scan results.
        List<String> result = new List<String>();
        foreach (System.Threading.Tasks.Task<String[]> task in tasks)
        {
            result.AddRange(task.Result);
        }                   
        return result.ToArray();
    }
    catch (Exception)
    {
        return new String[0];
    }
}

public static String[] scanSingleFile(Object[] args)
{
    try
    {
        return BarcodeScanner.Scan((String)args[0], (BarcodeType)args[1]);
    }
    catch (Exception)
    {
        return new String[0];
    }
}