' Converts Jpeg file to Jpeg2000 file.
Public Shared Sub ConvertJpegToJpeg2000(jpegFilename As String, jpeg2000Filename As String)
    Using image As New Vintasoft.Imaging.VintasoftImage(jpegFilename)
        Using jpeg2000Encoder As New Vintasoft.Imaging.Codecs.Encoders.Jpeg2000Encoder()
            image.Save(jpeg2000Filename, jpeg2000Encoder)
        End Using
    End Using
End Sub

// Converts Jpeg file to Jpeg2000 file.
public static void ConvertJpegToJpeg2000(string jpegFilename, string jpeg2000Filename)
{
    using (Vintasoft.Imaging.VintasoftImage image =
        new Vintasoft.Imaging.VintasoftImage(jpegFilename))
    {
        using (Vintasoft.Imaging.Codecs.Encoders.Jpeg2000Encoder jpeg2000Encoder =
            new Vintasoft.Imaging.Codecs.Encoders.Jpeg2000Encoder())
        {
            image.Save(jpeg2000Filename, jpeg2000Encoder);
        }
    }
}