I can get the browser reference through a BHO. I can able to get normal web page document but unable to get the reference of PDF file which is opened on browser. How can I get, when I googled I found that Acrobat.AcroAVDoc avDoc = webBrowser.Document as Acrobat.AcroAVDoc;avDoc.GetAVPageView();avDoc.GetPDDoc();How can I get the refernce of PDF file which is getting loaded on Internet explorer when I try to open a PDF link...