UPC-A Reading Using C# & VB.NET

public static BarcodeResult[] Scan(string filename);
public static BarcodeResult[] Scan(string filename, BarCodeType barType);

public void ScanUPCAFromFile(string filename)
{
  // Recognize UPC-A from image file in C# application.
  BarcodeResult[] results = BarCodeScanner.Scan(filename, BarCodeType.UPCA);

  // Recognize UPC-A from Bitmap or Stream of image in C# application.
  // public static BarcodeResult[] Scan(Bitmap bitmap, BarCodeType barType);
  // public static BarcodeResult[] Scan(Stream stream, BarCodeType barType);

  foreach (BarcodeResult result in results)
  {
    Console.WriteLine(result.BarType.ToString() + "-" + result.Data);
  }
}

public static BarcodeResult[] Scan(string filename)
public static BarcodeResult[] Scan(string filename, BarCodeType barType)

Public Sub ScanAllFromFile(ByVal filename As String)
  ' Decode all barcode types from a String of image source in VB.NET programming.
  Dim results() As BarcodeResult = BarCodeScanner.Scan(filename)

  ' APIs for decoding all barcode types from a Bitmap or Stream of image source in VB.NET application.
  ' public static BarcodeResult[] Scan(Bitmap bitmap)
  ' public static BarcodeResult[] Scan(Stream stream)

  Dim result As BarcodeResult
  For Each result In results
    Console.WriteLine(result.BarType.ToString() + "-" + result.Data)
  Next
End Sub

Bitmap bmp = new Bitmap("YourImagePath");
BarcodeResult barcode = BarCodeScanner.ScanSingle(bmp);
Console.WriteLine("barcode data:{0}.", barcode.Data);

 Dim bmp As Bitmap =  New Bitmap("YourImagePath") 
 Dim barcode As BarcodeResult = BarCodeScanner.ScanSingle(bmp) 
Console.WriteLine("barcode data:{0}.", barcode.Data)