Converts the HTML document to Rtf format. Works only in pair with OpenHtml() methods.

Namespace:  SautinSoft
Assembly:  SautinSoft.HtmlToRtf (in SautinSoft.HtmlToRtf.dll) Version: 7.1.4.17

Syntax

      
 C#  Visual Basic 
public string ToRtf()
Public Function ToRtf As String

Return Value

A string object with Rtf document - in case of converting successful.
null - in case of error of converting HTML. Please send this HTML document to support@sautinsoft.com.

Examples

CopyConvert HTML to RTF string using C#
using System;
using System.IO;

namespace Sample
{
    class Test
    {

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

        public static void ConvertHtmlToRtfString()
        {
            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 = @"..\..\pic.html";
            string outputFile = Path.ChangeExtension(inputFile, ".rtf");

            // Read our HTML file a string.
            string htmlString = File.ReadAllText(inputFile);

            // 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.GetFullPath(inputFile);

            if (h.OpenHtml(htmlString))
            {
                string rtfString = h.ToRtf();

                // Open the result for demonstation purposes.
                if (!String.IsNullOrEmpty(rtfString))
                {
                    File.WriteAllText(outputFile, rtfString);
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outputFile) { UseShellExecute = true });
                }
            }
        }
    }
}
CopyConvert HTML to RTF string using VB.Net
Imports System
Imports System.IO
Imports System.Text

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

    Public Sub ConvertHtmlToRtfString()
        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 = "..\pic.html"
        Dim outputFile As String = Path.ChangeExtension(inputFile, ".rtf")

        ' Read our HTML file a string.
        Dim htmlString As String = File.ReadAllText(inputFile)

        ' 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.GetFullPath(inputFile)

        If h.OpenHtml(htmlString) Then
            Dim rtfString As String = h.ToRtf()

            ' Open the result for demonstation purposes.
            If Not String.IsNullOrEmpty(rtfString) Then
                File.WriteAllText(outputFile, rtfString)
                System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outputFile) With {.UseShellExecute = True})
            End If
        End If
    End Sub
End Module

See Also