ASP.NET Web Document Viewer SDK Control ReferenceProperties ThumbnailSelectedColor ASP.NET Web Document Viewer SDK Control ThumbnailSelectedColor Set the selected thumbnail color in thumbnail sidebar. ThumbnailSelectedColor[=string] Parameterstring the selected thumbnail color in thumbnail sidebar. It use Hex Color Code. e.g. #FF0000RemarkThis property is Read/Write. Example C#protected void Page_Load(object sender, EventArgs e){WebDocumentViewer1.ThumbnailSelectedColor = "#0000FF";} HTML<div><cc1:WebDocumentViewer ID="WebDocumentViewer1" runat="server" Width="1280" Height="720" ThumbnailSelectedColor="#0000FF" /></div>}