Convert RTF to PDF in stream using C# and .NET


Complete code

using System;
using System.IO;
using System.Collections;

namespace Sample
{
    class Test
    {

        static void Main(string[] args)
        {
            // Before starting, we recommend to get a free key:
            // https://sautinsoft.com/start-for-free/

            // Apply the key here:
            // SautinSoft.PdfMetamorphosis.SetLicense("...");

            SautinSoft.PdfMetamorphosis p = new SautinSoft.PdfMetamorphosis();

            if (p != null)
            {
                string rtfPath = @"..\..\..\example.rtf";
                string pdfPath = Path.ChangeExtension(rtfPath, ".pdf");
                MemoryStream rtf = new MemoryStream(File.ReadAllBytes(rtfPath));

                // 3. Convert RTF to PDF in stream                
                Stream pdf = p.RtfToPdfConvertStream(rtf);

                if (pdf != null)
                {
                    pdf.Position = 0;
                    var ms = new MemoryStream();
                    pdf.CopyTo(ms);
                    ms.Position = 0;
                    // 3. Save the PDF document to a file for a viewing purpose.
                    File.WriteAllBytes(pdfPath, ms.ToArray());
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pdfPath) { UseShellExecute = true });
                }
                else
                {
                    System.Console.WriteLine("Conversion failed!");
                    Console.ReadLine();
                }
            }
        }
    }
}

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Option Infer On

Imports System
Imports System.IO
Imports System.Collections

Namespace Sample
	Friend Class Test

		Shared Sub Main(ByVal args() As String)
			' Before starting, we recommend to get a free key:
			' https://sautinsoft.com/start-for-free/

			' Apply the key here:
			' SautinSoft.PdfMetamorphosis.SetLicense("...");

			Dim p As New SautinSoft.PdfMetamorphosis()

			If p IsNot Nothing Then
				Dim rtfPath As String = "..\..\..\example.rtf"
				Dim pdfPath As String = Path.ChangeExtension(rtfPath, ".pdf")
				Dim rtf As New MemoryStream(File.ReadAllBytes(rtfPath))

				' 3. Convert RTF to PDF in stream                
				Dim pdf As Stream = p.RtfToPdfConvertStream(rtf)

				If pdf IsNot Nothing Then
					pdf.Position = 0
					Dim ms = New MemoryStream()
					pdf.CopyTo(ms)
					ms.Position = 0
					' 3. Save the PDF document to a file for a viewing purpose.
					File.WriteAllBytes(pdfPath, ms.ToArray())
					System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(pdfPath) With {.UseShellExecute = True})
				Else
					System.Console.WriteLine("Conversion failed!")
					Console.ReadLine()
				End If
			End If
		End Sub
	End Class
End Namespace

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We are developing .Net components since 2002. We know PDF, DOCX, RTF, HTML, XLSX and Images formats. If you need any assistance with creating, modifying or converting documents in various formats, we can help you. We will write any code example for you absolutely free.