How to specify CSS Stream in HTML in C# and .NET


Complete code

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

namespace Example
{
    class Program
    {
        static void Main(string[] args)
        {
            SetCssStream();
        }
        /// <summary>
        /// This sample shows how to specify CSS Stream.
        /// </summary>
        static void SetCssStream()
        {
            string inpFile = @"..\..\..\example.docx";
            string outFile = @"Result.html";
            string cssFile = @"Styles.css";

            RtfToHtml r = new RtfToHtml();

            // Create a separate file to store css.
            FileStream fs = new FileStream(cssFile, FileMode.Create);

            RtfToHtml.HtmlFlowingSaveOptions opt = new RtfToHtml.HtmlFlowingSaveOptions()
            {
                CssStream = fs,
                KeepCssStreamOpen = false,
                CssExportMode = RtfToHtml.CssExportMode.External,
                CssFileName = cssFile,
                Title = "Working with CSS."
            };

            try
            {
                r.Convert(inpFile, outFile, opt);
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Conversion failed! {ex.Message}");
            }

            // Open the result.
            System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
        }
    }
}

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

Namespace Example
	Friend Class Program
		Shared Sub Main(ByVal args() As String)
			SetCssStream()
		End Sub
		''' <summary>
		''' This sample shows how to specify CSS Stream.
		''' </summary>
		Private Shared Sub SetCssStream()
			Dim inpFile As String = "..\..\..\example.docx"
			Dim outFile As String = "Result.html"
			Dim cssFile As String = "Styles.css"

			Dim r As New RtfToHtml()

			' Create a separate file to store css.
			Dim fs As New FileStream(cssFile, FileMode.Create)

			Dim opt As New RtfToHtml.HtmlFlowingSaveOptions() With {
				.CssStream = fs,
				.KeepCssStreamOpen = False,
				.CssExportMode = RtfToHtml.CssExportMode.External,
				.CssFileName = cssFile,
				.Title = "Working with CSS."
			}

			Try
				r.Convert(inpFile, outFile, opt)
			Catch ex As Exception
				Console.WriteLine($"Conversion failed! {ex.Message}")
			End Try

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

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