''' <summary>
''' Creates font of PDF document based on "Times-Roman".
''' </summary>
''' <param name="pdfFilename">The filename of PDF document.</param>
Public Shared Sub CreateStandartFont(pdfFilename As String)
    ' open PDF document
    Using document As New Vintasoft.Imaging.Pdf.PdfDocument(pdfFilename)
        ' create font based on "Times-Roman" font
            '...
        Dim timesRomanFont As Vintasoft.Imaging.Pdf.Tree.Fonts.PdfFont = document.FontManager.GetStandardFont(Vintasoft.Imaging.Pdf.Tree.Fonts.PdfStandardFontType.TimesRoman)
    End Using
End Sub

/// <summary>
/// Creates font of PDF document based on "Times-Roman".
/// </summary>
/// <param name="pdfFilename">The filename of PDF document.</param>
public static void CreateStandartFont(string pdfFilename)
{
    // open PDF document
    using (Vintasoft.Imaging.Pdf.PdfDocument document = new Vintasoft.Imaging.Pdf.PdfDocument(pdfFilename))
    {
        // create font based on "Times-Roman" font
        Vintasoft.Imaging.Pdf.Tree.Fonts.PdfFont timesRomanFont = document.FontManager.GetStandardFont(
            Vintasoft.Imaging.Pdf.Tree.Fonts.PdfStandardFontType.TimesRoman);
        //...
    }
}