Cacher is the code snippet organizer for pro developers

// For complete examples and data files, please go to https://github.com/groupdocs-viewer/GroupDocs.Viewer-for-.NET
ViewerConfig config = Utilities.GetConfigurations();

// Create image handler
ViewerImageHandler imageHandler = new ViewerImageHandler(config);
string guid = DocumentName;

// Set image options to show hidden pages
ImageOptions options = new ImageOptions();
options.DiagramOptions.ShowHiddenPages = true;

DocumentInfoContainer container = imageHandler.GetDocumentInfo(guid);

foreach (PageData page in container.Pages)
    Console.WriteLine("Page number: {0}, Page Name: {1}, IsVisible: {2}", page.Number, page.Name, page.IsVisible);

List<PageImage> pages = imageHandler.GetPages(guid, options);

foreach (PageImage page in pages)
{
    //Save each image at disk
    Utilities.SaveAsImage(page.PageNumber + "_" + DocumentName, page.Stream);
}