ASP.NET Web Document Viewer SDK Control ReferenceProperties EnableDisplayThumbnailList ASP.NET Web Document Viewer SDK Control EnableDisplayThumbnailList Visible/Invisible the thumbnail sidebar. EnableDisplayThumbnailList[=bool] Parameterbooltrue - visible the thumbnail sidebar, false - invisible the thumbnail sidebar.RemarkThis property is Read/Write. Example C#protected void Page_Load(object sender, EventArgs e){WebDocumentViewer1.EnableDisplayThumbnailList = true;} HTML<div><cc1:WebDocumentViewer ID="WebDocumentViewer1" runat="server" Width="1280" Height="720" EnableDisplayThumbnailList="true" /></div>}