Convert RTF string to PDF bytes in 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 100-day key:
            // https://sautinsoft.com/start-for-free/
            
            // Apply the key here:
			// SautinSoft.PdfMetamorphosis.SetLicense("...");

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

			// Specify some options.
			p.PageSettings.Orientation = SautinSoft.PdfMetamorphosis.PageSetting.Orientations.Landscape;

			// Specify page numbers.
			p.PageSettings.Numbering.Text = "Page {page} of {numpages}";

			if (p != null)
			{
                string rtfPath = @"..\..\..\example.rtf";
                string pdfPath = Path.ChangeExtension(rtfPath, ".pdf");
                byte[] rtfBytes = File.ReadAllBytes(rtfPath);
			
				//2. Converting RTF to PDF
				byte[] pdfBytes = p.RtfToPdfConvertByte(rtfBytes);

				if (pdfBytes != null)
				{
                    //3. Save the PDF document to a file for a viewing purpose.
                    File.WriteAllBytes(pdfPath, pdfBytes);
					System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pdfPath) { UseShellExecute = true });
				}
				else
				{
					System.Console.WriteLine("An error occurred during converting RTF to PDF!");
				}
			}
		}
	}
}

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Imports System.IO

Namespace Sample
    Friend Class Test
        Shared Sub Main(ByVal args() As String)
			' Before starting, we recommend to get a free 100-day key:
            ' https://sautinsoft.com/start-for-free/
            
            ' Apply the key here:
			' SautinSoft.PdfMetamorphosis.SetLicense("...");


            Dim p As New SautinSoft.PdfMetamorphosis()

            ' Specify some options.
            p.PageSettings.Orientation = SautinSoft.PdfMetamorphosis.PageSetting.Orientations.Landscape

            ' Specify page numbers.
            p.PageSettings.Numbering.Text = "Page {page} of {numpages}"

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

                '2. Converting RTF to PDF
                Dim pdfBytes() As Byte = p.RtfToPdfConvertByte(rtfBytes)

                If pdfBytes IsNot Nothing Then

                    '3. Save the PDF document to a file for a viewing purpose.
                    File.WriteAllBytes(pdfPath, pdfBytes)
                    System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(pdfPath) With {.UseShellExecute = True})
                Else
                    System.Console.WriteLine("An error occurred during converting RTF to PDF!")
                End If
            End If
        End Sub
    End Class
End Namespace

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