''' <summary>
''' Converts a PDF document to a linearized format.
''' </summary>
''' <param name="inputPdfFilename">The filename of source PDF document.</param>
''' <param name="outputPdfFilename">The filename of output PDF document.</param>
Public Shared Sub ConvertToLinearizedFormat(inputPdfFilename As String, outputPdfFilename As String)
    ' open PDF document
    Using document As New Vintasoft.Imaging.Pdf.PdfDocument(inputPdfFilename)
        ' get linearized format for PDF document
        Dim linearizedFormat As Vintasoft.Imaging.Pdf.PdfFormat = document.Format.GetLinearizedFormat()

        ' if linearized PDF document must be saved to a source file
        If inputPdfFilename = outputPdfFilename Then
            ' pack PDF document in linearized format to a source file
            document.Pack(linearizedFormat)
        ' if linearized PDF document must be saved to a new file
        Else
            ' pack PDF document in linearized format to a new file
            document.Pack(outputPdfFilename, linearizedFormat)
        End If
    End Using
End Sub

/// <summary>
/// Converts a PDF document to a linearized format.
/// </summary>
/// <param name="inputPdfFilename">The filename of source PDF document.</param>
/// <param name="outputPdfFilename">The filename of output PDF document.</param>
public static void ConvertToLinearizedFormat(string inputPdfFilename, string outputPdfFilename)
{
    // open PDF document
    using (Vintasoft.Imaging.Pdf.PdfDocument document = new Vintasoft.Imaging.Pdf.PdfDocument(inputPdfFilename))
    {
        // get linearized format for PDF document
        Vintasoft.Imaging.Pdf.PdfFormat linearizedFormat = document.Format.GetLinearizedFormat();
        
        // if linearized PDF document must be saved to a source file
        if (inputPdfFilename == outputPdfFilename)
        {
            // pack PDF document in linearized format to a source file
            document.Pack(linearizedFormat);
        }
        // if linearized PDF document must be saved to a new file
        else
        {
            // pack PDF document in linearized format to a new file
            document.Pack(outputPdfFilename, linearizedFormat);
        }
    }
}