static void Main(string[] args) { SautinSoft.PdfMetamorphosis p = new SautinSoft.PdfMetamorphosis(); // After purchasing the license, please insert your serial number here to activate the component. //p.Serial = "XXXXXXXXXXX"; if (p != null) { string rtfPath = @"..\..\example.rtf"; string pdfPath = Path.ChangeExtension(rtfPath, ".pdf"); // 1. Get RTF content from file string rtfString = File.ReadAllText(rtfPath); // 2. Convert RTF string to a PDF file if (p.RtfToPdfConvertStringToFile(rtfString, pdfPath) == 0) { System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pdfPath) { UseShellExecute = true }); } else { System.Console.WriteLine("An error occurred during converting RTF to PDF!"); } } }