' Shows detailed information about parameters of Jpeg2000 page.
Public Shared Sub ShowJpeg2000PageInfo(jpeg2000Filename As String)
    ' open an existing JPEG2000 file
    Using file As New Vintasoft.Imaging.Codecs.ImageFiles.Jpeg2000.Jpeg2000File(jpeg2000Filename, System.IO.FileMode.Open, System.IO.FileAccess.Read)
        ' get JPEG2000 page
        Dim page As Vintasoft.Imaging.Codecs.ImageFiles.Jpeg2000.Jpeg2000Page = file.Page

        ' get general image parameters
        System.Console.WriteLine(String.Format("Image dimensions: {0}x{1}", page.Width, page.Height))
        System.Console.WriteLine(String.Format("Image resolution: {0}x{1} dpi", System.Math.Round(page.Resolution.Horizontal), System.Math.Round(page.Resolution.Vertical)))
        System.Console.WriteLine(String.Format("Number of bits per pixel : {0}", page.BitsPerPixel))

        ' get information about palette
        If page.HasPalette Then
            System.Console.WriteLine(String.Format("Image has a palette with {0} colors", page.Palette.ColorCount))
        Else
            System.Console.WriteLine(String.Format("Image has no palette"))
        End If

        ' get specific JPEG2000 parameters
        System.Console.WriteLine(String.Format("Colorspace : {0}", page.ColorSpace))
        System.Console.WriteLine(String.Format("File format : {0}", page.FileFormat))
        System.Console.WriteLine(String.Format("Tile dimensions: {0}x{1}", page.TileWidth, page.TileHeight))
        System.Console.WriteLine(String.Format("Progression order : {0}", page.ProgressionOrder))
        System.Console.WriteLine(String.Format("Number of quality layers : {0}", page.QualityLayerCount))
        System.Console.WriteLine(String.Format("Number of wavelet levels : {0}", page.WaveletLevels))

        ' each comment is a separate string
        Dim comments As String() = page.GetComments()

        If comments.Length = 0 Then
            System.Console.WriteLine("There is no comments in codestream")
        Else
            System.Console.WriteLine("Comments in codestream:")

            For Each comment As String In comments
                System.Console.WriteLine(comment)
            Next
        End If
    End Using
End Sub

// Shows detailed information about parameters of Jpeg2000 page.
public static void ShowJpeg2000PageInfo(string jpeg2000Filename)
{
    // open an existing JPEG2000 file
    using (Vintasoft.Imaging.Codecs.ImageFiles.Jpeg2000.Jpeg2000File file =
        new Vintasoft.Imaging.Codecs.ImageFiles.Jpeg2000.Jpeg2000File(
            jpeg2000Filename, System.IO.FileMode.Open, System.IO.FileAccess.Read))
    {
        // get JPEG2000 page
        Vintasoft.Imaging.Codecs.ImageFiles.Jpeg2000.Jpeg2000Page page = file.Page;

        // get general image parameters
        System.Console.WriteLine(string.Format("Image dimensions: {0}x{1}", page.Width, page.Height));
        System.Console.WriteLine(string.Format("Image resolution: {0}x{1} dpi",
            System.Math.Round(page.Resolution.Horizontal),
            System.Math.Round(page.Resolution.Vertical)));
        System.Console.WriteLine(string.Format("Number of bits per pixel : {0}", page.BitsPerPixel));

        // get information about palette
        if (page.HasPalette)
            System.Console.WriteLine(string.Format("Image has a palette with {0} colors", page.Palette.ColorCount));
        else
            System.Console.WriteLine(string.Format("Image has no palette"));

        // get specific JPEG2000 parameters
        System.Console.WriteLine(string.Format("Colorspace : {0}", page.ColorSpace));
        System.Console.WriteLine(string.Format("File format : {0}", page.FileFormat));
        System.Console.WriteLine(string.Format("Tile dimensions: {0}x{1}", page.TileWidth, page.TileHeight));
        System.Console.WriteLine(string.Format("Progression order : {0}", page.ProgressionOrder));
        System.Console.WriteLine(string.Format("Number of quality layers : {0}", page.QualityLayerCount));
        System.Console.WriteLine(string.Format("Number of wavelet levels : {0}", page.WaveletLevels));

        // each comment is a separate string
        string[] comments = page.GetComments();

        if (comments.Length == 0)
        {
            System.Console.WriteLine("There is no comments in codestream");
        }
        else
        {
            System.Console.WriteLine("Comments in codestream:");

            foreach (string comment in comments)
            {
                System.Console.WriteLine(comment);
            }
        }
    }
}