【转】WPF 从FlowDocument中找到Hyperlink

2017-07-04 19:15:57来源:cnblogs.com作者:眾尋人点击

原文地址:How can I get a FlowDocument Hyperlink to launch browser and go to URL in a WPF app?

 #region Activate Hyperlinks in the Rich Text box        //http://stackoverflow.com/questions/5465667/handle-all-hyperlinks-mouseenter-event-in-a-loaded-loose-flowdocument        void SubscribeToAllHyperlinks(FlowDocument flowDocument)        {            var hyperlinks = GetVisuals(flowDocument).OfType<Hyperlink>();            foreach (var link in hyperlinks)                link.RequestNavigate += new System.Windows.Navigation.RequestNavigateEventHandler(link_RequestNavigate);        }        public static IEnumerable<DependencyObject> GetVisuals(DependencyObject root)        {            foreach (var child in LogicalTreeHelper.GetChildren(root).OfType<DependencyObject>())            {                yield return child;                foreach (var descendants in GetVisuals(child))                    yield return descendants;            }        }        void link_RequestNavigate(object sender, System.Windows.Navigation.RequestNavigateEventArgs e)        {            //http://stackoverflow.com/questions/2288999/how-can-i-get-a-flowdocument-hyperlink-to-launch-browser-and-go-to-url-in-a-wpf            Process.Start(new ProcessStartInfo(e.Uri.AbsoluteUri));            e.Handled = true;        }        #endregion Activate Hyperlinks in the Rich Text box

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