''' <summary>
''' Returns DICOM image with overlay objects and saves it to a PNG file.
''' </summary>
''' <param name="filePath">Path to DICOM file.</param>
''' <param name="pageIndex">Index of DICOM page.</param>
Public Sub GetAndSaveDicomImageWithOverlays(filePath As String, pageIndex As Integer)
    ' open DICOM file
    Using dicomFile As New Vintasoft.Imaging.Codecs.ImageFiles.Dicom.DicomFile(filePath)
        ' get DICOM page
        Dim frame As Vintasoft.Imaging.Codecs.ImageFiles.Dicom.DicomFrame = DirectCast(dicomFile.Pages(pageIndex), Vintasoft.Imaging.Codecs.ImageFiles.Dicom.DicomFrame)
        ' return DICOM image with overlay objects
        Using image As Vintasoft.Imaging.VintasoftImage = frame.GetImage(Nothing, True, Nothing)
            ' save image to a PNG file
            image.Save("E:\DicomImage.png")
        End Using
    End Using
End Sub

/// <summary>
/// Returns DICOM image with overlay objects and saves it to a PNG file.
/// </summary>
/// <param name="filePath">Path to DICOM file.</param>
/// <param name="pageIndex">Index of DICOM page.</param>
public void GetAndSaveDicomImageWithOverlays(string filePath, int pageIndex)
{
    // open DICOM file
    using (Vintasoft.Imaging.Codecs.ImageFiles.Dicom.DicomFile dicomFile =
        new Vintasoft.Imaging.Codecs.ImageFiles.Dicom.DicomFile(filePath))
    {
        // get DICOM page
        Vintasoft.Imaging.Codecs.ImageFiles.Dicom.DicomFrame frame =
            (Vintasoft.Imaging.Codecs.ImageFiles.Dicom.DicomFrame)dicomFile.Pages[pageIndex];
        // return DICOM image with overlay objects
        using (Vintasoft.Imaging.VintasoftImage image = frame.GetImage(null, true, null))
        {
            // save image to a PNG file
            image.Save(@"E:\DicomImage.png");
        }
    }
}