Convert DOCX to HTML using bytes array
in C# and VB.NET


Complete code 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using SautinSoft.RtfToHtml;

namespace Example
{
    class Program
    {
        static void Main(string[] args)
        {
            ConvertDocxToHtml();
        }
        /// <summary>
        /// Convert DOCX to HTML using bytes array.
        /// </summary>
        static void ConvertDocxToHtml()
        {
            // The files are necessary only to get input data and show the result.
            string inpFile = @"..\..\..\..\example.docx";
            string outfile = Path.GetFullPath("Result.html");


            byte[] rtfBytes = File.ReadAllBytes(inpFile);
            byte[] htmlBytes = null;
            
            RtfToHtml r = new RtfToHtml();

            using (MemoryStream inpMS = new MemoryStream(rtfBytes))
            {
                using (MemoryStream outMS = new MemoryStream())
                {
                    r.Convert(inpMS, outMS, new HtmlFixedSaveOptions() { Title = "SautinSoft Example." });
                    htmlBytes = outMS.ToArray();
                }
            }
            
            File.WriteAllBytes(outfile, htmlBytes);

            // Open the result for demonstration purposes.
            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outfile) { UseShellExecute = true });
        }
    }
}

Download.

        
            Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.IO
Imports SautinSoft.RtfToHtml

Namespace Example
	Friend Class Program
		Shared Sub Main(ByVal args() As String)
			ConvertDocxToHtml()
		End Sub
		''' <summary>
		''' Convert DOCX to HTML using bytes array.
		''' </summary>
		Private Shared Sub ConvertDocxToHtml()
			' The files are necessary only to get input data and show the result.
			Dim inpFile As String = "..\..\..\..\example.docx"
			Dim outfile As String = Path.GetFullPath("Result.html")


			Dim rtfBytes() As Byte = File.ReadAllBytes(inpFile)
			Dim htmlBytes() As Byte = Nothing

			Dim r As New RtfToHtml()

			Using inpMS As New MemoryStream(rtfBytes)
				Using outMS As New MemoryStream()
					r.Convert(inpMS, outMS, New HtmlFixedSaveOptions() With {.Title = "SautinSoft Example."})
					htmlBytes = outMS.ToArray()
				End Using
			End Using

			File.WriteAllBytes(outfile, htmlBytes)

			' Open the result for demonstration purposes.
			System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outfile) With {.UseShellExecute = True})
		End Sub
	End Class
End Namespace

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If you are looking also for a .NET solution to Create or Modify HTML documents, see our Document .Net.

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