Show hidden pages

Hidden pages are not rendered by default. In order to include them into the rendering GroupDocs.Viewer provides RenderHiddenPages property of the HtmlViewOptions (or JpgViewOptions, or PngViewOptions, or PdfViewOptions) class, to enable rendering document with notes set value of RenderHiddenPagesto true as shown in the example below.

This feature is supported for:

• Diagrams with hidden pages
• Presentations with hidden slides
• Spreadsheets with hidden worksheets

The following code sample shows how to render hidden pages.

using (Viewer viewer = new Viewer("sample.pptx"))
{
    HtmlViewOptions viewOptions = HtmlViewOptions.ForEmbeddedResources();
    viewOptions.RenderHiddenPages = true;
    viewer.View(viewOptions); 
}

More resources

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

• GroupDocs.Viewer for .NET examples, plugins, and showcase
• GroupDocs.Viewer for Java examples, plugins, and showcase
• Document Viewer for .NET MVC UI Example
• Document Viewer for .NET App WebForms UI Modern Example
• Document Viewer for Java App Dropwizard UI Modern Example
• Document Viewer for Java Spring UI Example

Free Online App

Along with full-featured .NET library we provide simple but powerful free Apps. You are welcome to view Word, PDF, Excel, PowerPoint documents with free to use online GroupDocs Viewer App.