''' <summary>
''' Opens Canon CR2-file, gets RAW-image from CR2-file and saves image to a PNG-file.
''' </summary>
''' <param name="cr2Filename">The name of CR2-file.</param>
Public Sub GetAndSaveCr2RawImage(cr2Filename As String)
    ' open CR2-file stream
    Using fs As New System.IO.FileStream(cr2Filename, System.IO.FileMode.Open, System.IO.FileAccess.Read)
        ' open CR2-file
        Dim rawImageFile As New Vintasoft.Imaging.Codecs.ImageFiles.Raw.RawImageFile(fs)
        ' get CR2-page
        Dim cr2Page As Vintasoft.Imaging.Codecs.ImageFiles.Raw.Cr2Page = TryCast(rawImageFile.Page, Vintasoft.Imaging.Codecs.ImageFiles.Raw.Cr2Page)
        ' if CR2-page is found in RAW-file
        If cr2Page IsNot Nothing Then
            ' get RAW-image as 48-bpp RGB image
            Using rawImage As Vintasoft.Imaging.VintasoftImage = cr2Page.GetImage()
                ' save 48-bpp RGB image to a PNG file
                rawImage.Save(cr2Filename & ".png")
            End Using
        End If
    End Using
End Sub

/// <summary>
/// Opens Canon CR2-file, gets RAW-image from CR2-file and saves image to a PNG-file.
/// </summary>
/// <param name="cr2Filename">The name of CR2-file.</param>
public void GetAndSaveCr2RawImage(string cr2Filename)
{
    // open CR2-file stream
    using (System.IO.FileStream fs = new System.IO.FileStream(cr2Filename, System.IO.FileMode.Open, System.IO.FileAccess.Read))
    {
        // open CR2-file
        Vintasoft.Imaging.Codecs.ImageFiles.Raw.RawImageFile rawImageFile =
            new Vintasoft.Imaging.Codecs.ImageFiles.Raw.RawImageFile(fs);
        // get CR2-page
        Vintasoft.Imaging.Codecs.ImageFiles.Raw.Cr2Page cr2Page =
            rawImageFile.Page as Vintasoft.Imaging.Codecs.ImageFiles.Raw.Cr2Page;
        // if CR2-page is found in RAW-file
        if (cr2Page != null)
        {
            // get RAW-image as 48-bpp RGB image
            using (Vintasoft.Imaging.VintasoftImage rawImage = cr2Page.GetImage())
            {
                // save 48-bpp RGB image to a PNG file
                rawImage.Save(cr2Filename + ".png");
            }
        }
    }
}