Question

I need some help to blocking iframes in internet explorer or .NET webbrowser control. I tried security preferences, that doesn’t worked. XP and IE8, with .NET Framework 4.0

Answer 1

In the DocumentCompleted event for your WebBrowser, simply remove all the <iframe> elements:

foreach(HtmlElement x in ((WebBrowser) sender).Document.GetElementsByTagName("iframe")) {
    x.OuterHtml = String.Empty;
}