Render archive folder
GroupDocs.Viewer renders items from the root of the archive by default.
When rendering of a specified folder is required, it can be achieved as shown in the examples below.
using (Viewer viewer = new Viewer("sample.zip"))
{
HtmlViewOptions viewOptions = HtmlViewOptions.ForEmbeddedResources();
viewOptions.ArchiveOptions.Folder = "ThirdFolderWithItems";
viewer.View(viewOptions);
}