How to Convert RTF to PDF using C#. For more information, please follow link: https://kb.groupdocs.com/conversion/net/how-to-convert-rtf-to-pdf-using-csharp/

How to Convert RTF to PDF using C#.cs

using System;
using GroupDocs.Conversion.Options.Convert;

namespace ConvertRtfToPdfUsingCSharp
{
    class Program
    {
        public static void Main(string[] args) // Main function to convert RTF to PDF using C#
        {
            // Remove the watermark in output PDF document by adding license
            string licensePath = "GroupDocs.Conversion.lic";
            GroupDocs.Conversion.License lic = new GroupDocs.Conversion.License();
            lic.SetLicense(licensePath);
            
            // Load the source RTF file for conversion to PDF
            var converter = new GroupDocs.Conversion.Converter("sample.rtf");
                
            // Set the properties for the output PDF document
            var convertOptions = new PdfConvertOptions()
            { 
                Height = 500,
                Width = 500,
                Dpi = 100,
                PageNumber = 1,
                PagesCount = 1
            };

            // Convert and save the RTF in PDF format
            converter.Convert("converted.pdf", convertOptions);

            Console.WriteLine("Done");
        }
    }
}