public override bool DidTapOnAnnotation(PSPDFViewController pdfController, PSPDFAnnotation annotation, System.Drawing.PointF annotationPoint, PSPDFAnnotationViewProtocol annotationView, PSPDFPageView pageView, System.Drawing.PointF viewPoint)
 {
     if(annotation is PSPDFLinkAnnotation)
     {
         var linkAnnot = (PSPDFLinkAnnotation)annotation;
         Console.WriteLine("Tapped a link annotation!");
         var alert = new UIAlertView("TapTap", "Tapped link annotation. Target: " + linkAnnot.SiteLinkTarget, null, null, "OK");
         alert.Show();
         return true;
     }
     return false;
 }
 public override bool DidTapOnAnnotation(PSPDFViewController pdfController, PSPDFAnnotation annotation, System.Drawing.PointF annotationPoint, PSPDFAnnotationViewProtocol annotationView, PSPDFPageView pageView, System.Drawing.PointF viewPoint)
 {
     if (annotation is PSPDFLinkAnnotation)
     {
         var linkAnnot = (PSPDFLinkAnnotation)annotation;
         Console.WriteLine("Tapped a link annotation!");
         var alert = new UIAlertView("TapTap", "Tapped link annotation. Target: " + linkAnnot.SiteLinkTarget, null, null, "OK");
         alert.Show();
         return(true);
     }
     return(false);
 }