Convert HTML to RTF Stream in C# and VB.NET


Complete code

using System;
using System.IO;

namespace Sample
{
    class Test
    {

        static void Main(string[] args)
        {
            // Convert HTML Stream to RTF Stream.
            // If you need more information about "HTML to RTF .Net" 
            // Email us at: support@sautinsoft.com.
            ConvertHtmlToRtfStream();
        }

        public static void ConvertHtmlToRtfStream()
        {
            SautinSoft.HtmlToRtf h = new SautinSoft.HtmlToRtf();

            // After purchasing the license, please insert your serial number here to activate the component.
            // h.Serial = "XXXXXXXXX";

            string inputFile = @"..\..\utf-8.html";
            string outputFile = "Result.rtf";

            // Specify the 'BaseURL' property that component can find the full path to images, like a: <img src="..\pict.png" and
            // to external css, like a:  <link rel="stylesheet" href="/css/style.css">.
            h.BaseURL = Path.GetDirectoryName(Path.GetFullPath(inputFile));

            using (FileStream htmlFileStrem = new FileStream(inputFile, FileMode.Open))
            {
                if (h.OpenHtml(htmlFileStrem))
                {
                    using (MemoryStream rtfMemoryStream = new MemoryStream())
                    {
                        bool ok = h.ToRtf(rtfMemoryStream);

                        // Open the result for demonstration purposes.
                        if (ok)
                        {
                            File.WriteAllBytes(outputFile, rtfMemoryStream.ToArray());
                            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outputFile) { UseShellExecute = true });
                        }
                    }
                }
            }
        }
    }
}

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Imports System
Imports System.IO
Imports System.Text

Module Module1
    Sub Main()
        ' Convert HTML Stream to RTF Stream.
        ' If you need more information about "HTML to RTF .Net" 
        ' Email us at: support@sautinsoft.com.
        ConvertHtmlToRtfStream()
    End Sub

    Public Sub ConvertHtmlToRtfStream()
        Dim h As New SautinSoft.HtmlToRtf()

        ' After purchasing the license, please insert your serial number here to activate the component.
        'h.Serial = "XXXXXXXXX"

        Dim inputFile As String = "..\utf-8.html"
        Dim outputFile As String = "Result.rtf"

        ' Specify the 'BaseURL' property that component can find the full path to images, like a: <img src="..\pict.png" and
        ' to external css, like a:  <link rel="stylesheet" href="/css/style.css">.
        h.BaseURL = Path.GetDirectoryName(Path.GetFullPath(inputFile))

        Using htmlFileStrem As New FileStream(inputFile, FileMode.Open)
            If h.OpenHtml(htmlFileStrem) Then
                Using rtfMemoryStream As New MemoryStream()
                    Dim ok As Boolean = h.ToRtf(rtfMemoryStream)

                    ' Open the result for demonstration purposes.
                    If ok Then
                        File.WriteAllBytes(outputFile, rtfMemoryStream.ToArray())
                        System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outputFile) With {.UseShellExecute = True})
                    End If
                End Using
            End If
        End Using
    End Sub
End Module

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