VintaSoft Barcode .NET SDK v10.0
Read barcodes from multipage TIFF file

Example: Here is an example that shows how to read barcodes from TIFF file.

Public Shared Sub ReadBarcodesFromMiltipageTiffFile(filename As String, barcodeType As BarcodeType)
        ' open TIFF file
        Using tiffImage As Image = Image.FromFile(filename)
                Dim index As Guid = tiffImage.FrameDimensionsList(0)
                Dim dimension As New FrameDimension(index)
                Dim pageCount As Integer = tiffImage.GetFrameCount(dimension)

                ' create the barcode reader
                Using reader As New BarcodeReader()
                        ' set barcode reader settings
                        reader.Settings.ScanBarcodeTypes = barcodeType

                        ' read barcodes from all pages
                        For i As Integer = 0 To pageCount - 1
                                ' select a page
                                tiffImage.SelectActiveFrame(dimension, i)

                                ' read barcodes
                                Dim barcodesInfo As IBarcodeInfo() = reader.ReadBarcodes(tiffImage)

                                ' output information about barcodes
                                Console.WriteLine(String.Format("Page {0}: ", i))
                                ' if barcodes are not detected
                                If barcodesInfo.Length = 0 Then
                                        Console.WriteLine("No barcodes found.")
                                Else
                                        ' if barcodes are detected
                                        ' get information about extracted barcodes

                                        For j As Integer = 0 To barcodesInfo.Length - 1
                                                Console.WriteLine(String.Format("[{0}] {1}", barcodesInfo(j).BarcodeType, barcodesInfo(j).Value))
                                        Next
                                End If
                        Next
                End Using
        End Using
End Sub
              
public static void ReadBarcodesFromMiltipageTiffFile(string filename, BarcodeType barcodeType)
{
    // open TIFF file
    using (Image tiffImage = Image.FromFile(filename))
    {
        Guid index = tiffImage.FrameDimensionsList[0];
        FrameDimension dimension = new FrameDimension(index);
        int pageCount = tiffImage.GetFrameCount(dimension);

        // create the barcode reader
        using (BarcodeReader reader = new BarcodeReader())
        {
            // set barcode reader settings
            reader.Settings.ScanBarcodeTypes = barcodeType;

            // read barcodes from all pages
            for (int i = 0; i < pageCount; i++)
            {
                // select a page
                tiffImage.SelectActiveFrame(dimension, i);

                // read barcodes
                IBarcodeInfo[] barcodesInfo = reader.ReadBarcodes(tiffImage);

                // output information about barcodes
                Console.WriteLine(string.Format("Page {0}: ", i));
                // if barcodes are not detected
                if (barcodesInfo.Length == 0)
                {
                    Console.WriteLine("No barcodes found.");
                }
                // if barcodes are detected
                else
                {
                    // get information about extracted barcodes

                    for (int j = 0; j < barcodesInfo.Length; j++)
                        Console.WriteLine(string.Format("[{0}] {1}", barcodesInfo[j].BarcodeType,
                                                                     barcodesInfo[j].Value));
                }
            }
        }
    }
}