Convert OneNote Document to HTML Webpage using C#

ConvertOneNoteToHTML_CSharp.md

Learn how to convert a OneNote document to an HTML webpage using C#: https://blog.aspose.com/2022/04/16/convert-onenote-document-to-html-webpage-using-csharp/

The following topics are covered in this article:

1. OneNote to HTML Converter C# API
2. Create OneNote Document and Convert to HTML Webpage
3. Convert Existing OneNote Document to HTML
4. Convert Specific Pages of OneNote to HTML
5. Save OneNote to HTML with Embedded Resources

ConvertOneNoteToHTML_CSharp_Convert.cs

// This code example demontstrates how to create a OneNote document and save as HTML.
// Initialize OneNote document
Document doc = new Document();

// Add a page
Page page = new Page();
doc.AppendChildLast(page);

// Default style for all text in the document.
ParagraphStyle textStyle = new ParagraphStyle { FontColor = Color.Black, FontName = "Arial", FontSize = 10 };
// Set title
page.Title = new Title()
{
    TitleText = new RichText() { Text = "Title text.", ParagraphStyle = textStyle },
    TitleDate = new RichText() { Text = new DateTime(2011, 11, 11).ToString("D", CultureInfo.InvariantCulture), ParagraphStyle = textStyle },
    TitleTime = new RichText() { Text = "12:34", ParagraphStyle = textStyle }
};

// Save into HTML format
string dataDir = @"D:\Files\Note\CreateOneNoteDocAndSaveToHTML_out.html";
doc.Save(dataDir);

ConvertOneNoteToHTML_CSharp_ConvertExisting.cs

// This code example demontstrates how to convert an existing OneNote document to HTML.
// Initialize OneNote document
Document doc = new Document(@"D:\Files\Note\Sample1.one");

// Save as HTML
string dataDir = @"D:\Files\Note\Sample1_out.html";
doc.Save(dataDir, SaveFormat.Html);

ConvertOneNoteToHTML_CSharp_ConvertPageRange.cs

// This code example demontstrates how to convert a range of pages from OneNote document to HTML.
// Initialize OneNote document
Document doc = new Document(@"D:\Files\Note\Sample1.one");

// Define HTML save options
HtmlSaveOptions htmlSaveOptions = new HtmlSaveOptions()
{
    PageCount = 1,
    PageIndex = 0
};

// Save into HTML format
string dataDir = @"D:\Files\Note\ConvertRange.html";
doc.Save(dataDir, htmlSaveOptions);

ConvertOneNoteToHTML_CSharp_EmbedResources.cs

// This code example demontstrates how to convert a OneNote document to HTML and embed resources.
// Initialize OneNote document
Document doc = new Document(@"D:\Files\Note\Sample1.one");

// Define HTML save options
var options = new HtmlSaveOptions()
{
    ExportCss = ResourceExportType.ExportEmbedded,
    ExportFonts = ResourceExportType.ExportEmbedded,
    ExportImages = ResourceExportType.ExportEmbedded,
    FontFaceTypes = FontFaceType.Ttf
};

// Save into HTML format
string dataDir = @"D:\Files\Note\ConvertRange.html";
doc.Save(dataDir, htmlSaveOptions);