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• How do I use the WebBrowser as a File Browser?

  The WebBrowser can be used as a file browser by giving it a URL of a folder on the file system. For an example of this see WebBrowserSamples.

• How do I use the WebBrowser to host a Document?

  The WebBrowser can be used to host an Office document, Flash animation, or PDF file by giving it the URL of the file. For an example of this see WebBrowserSamples.

• How do I use the WebBrowser as a XSLT Viewer?

  The WebBrowser can be used to view an XML file by giving it the Url of the file. For an example of this see WebBrowserSamples.

• How do I host my web app controls in WinForms?

  For an example of this, see http://msdn2.microsoft.com/en-us/library/system.windows.forms.webbrowser.objectforscripting

• How do I use the WebBrowser as an Outlook style html viewer?

  You can access, and write to, the HTML behind a web page being displayed by the WebBrowser using the WebBrowser.DocumentText property. For an example of this see WebBrowserSamples.

• How do I use the WebBrowser as a HTML editor?

  You can access, and write to, the HTML behind a web page being displayed by the WebBrowser using the WebBrowser.DocumentText property. For an example of this see WebBrowserSamples.

• How do I build a tabbed browser?

  You can build a tabbed browser by combining a TabControl with multiple WebBrowser controls. For a simple example of this see WebBrowserSamples.

• Why does my application with multiple WebBrowser controls use so much memory?

  The WebBrowser control is a resource-intensive control. Be sure to call the Dispose method when you are finished using the control to ensure that all resources are released in a timely fashion. You must call the Dispose method on the same thread that...

• Where can I find information on the native interfaces?

  The WebBrowser control is primarily a managed wrapper of the WebBrowser ActiveX object. There are four main unmanaged interfaces that are wrapped in one form or another: IWebBrowser2 – The core WebBrowser interface. DWebBrowserEvents2 – The...

• Why doesn't the debugger catch exceptions in webBrowser events?

  Note: It is recommended that during development you put try catch blocks around the contents of all WebBrowser methods. Since the core of the managed WebBrowser is an unmanaged ActiveX control, it captures all exceptions thrown in its methods before they...

• Why can't I set my object for scripting?

  In VS 2005, the form is no longer COM-Visible by default. This prevents it from being set as the object for scripting. To allow scripting to target the form, do the following: In VS select "Project" from the main menu Select "<YourAppName>...

• Why don't I get <I>&lt;event name here&gt;</I> from the WebBrowser?

  The most likely reason that you are not getting a particular event from the WebBrowser is that that event is hidden. Since the WebBrowser is an ActiveX control it differs in the standard events that it raises.

• How do I display my own code in the web browser?

  You can access, and write to, the HTML behind a web page being displayed by the WebBrowser using the WebBrowser.DocumentText property. For an example of this see WebBrowserSamples.

• Why do I get an exception in my progress changed method?

  Sometimes e.MaximumProgress returns a value of 0. If you are trying to control a ProgressBar by dividing e.CurrentProgress by e.MaximumProgress, or by setting a ProgressBar's Maximum to e.MaximumProgress, you will get a divide by zero exception. To...

• How do I include a picture from my resources in my HTML?

  The simplest approach to accomplish this is to save the html file and the associated images to a temp directory, and navigate the WebBrowser to that html file.

• How do I get my page to display my language correctly?

  If a web page is not displaying a language correctly, be sure that the web page: Uses correctly formed HTML Contains the Content-type metatag: < META http-equiv="Content-Type" content="text/html; charset =ENC-JP"> Where ENC-JP...

• How do I set the WebBrowser.Url?

  The webBrowser.Url is not a string, but rather is a Uri object . If you still want to use a string to set the WebBrowser.Url you can do so in one of following ways: webBrowser.Url = new Uri("path string"); webBrowser.Navigate("path string"...

• Why does the Url of my WebBrowser change?

  A possible reason that the WebBrowser's Url value changes when navigating to a site is due to a redirect that would cause the Url to change from its original value.

• How do I get auto complete Url's?

  Set auto complete source of the TextBox or ComboBox being used for the address to "All Url's" or to "custom". See WebBrowserSamples for an example.

• Can I prevent the click noise when clicking a link?

  Currently there is no workaround to avoid the click noise when clicking on a link.

• Does the WebBrowser control work in Partial Trust?

  The WebBrowser control does not work in partial trust. This class makes security demands at the class level, therefore a SecurityException is thrown when a derived class or any caller in the call stack does not have full trust permission. For details...

• How do I get the site of a new window?

  To get the Url that the WebBrowser is navigating to in a new window, use DWebBrowserEvents2::NewWindow3. This method is not exposed by IntelliSense. For information on how to use it, see: http://forums.microsoft.com/msdn/ShowPost.aspx?PostID=7228 for...

• How do I navigate to a Url that contains escape characters?

  To navigate to an addresses that contains escaped characters (such as %20) be sure to use the webBrowser.Navigate(String) method instead of the webBrowser.Navigate(Uri) method. The Uri method escapes these characters by default, while the String method...

• How do I block popups?

  To block pop-ups, use the following registry key: HKEY_LOCAL_MACHINE (or HKEY_CURRENT_USER) SOFTWARE Microsoft Internet Explorer Main FeatureControl FEATURE_WEBOC_POPUPMANAGEMENT For more information on this topic, see http://msdn.microsoft.com/library...

• Why won't the WebBrowser navigate?

  Be sure that AllowNavigation is set to true. This property not only prevents users from making the WebBrowser navigate, but also prevents the WebBrowser from programmatically being given a new Url.

• How can a control in the browser access the DOM of the page that is hosting it?

  For an example of this, see http://msdn2.microsoft.com/en-us/library/system.windows.forms.webbrowser.objectforscripting

• How do I get XP SP2 Security features?

  To control XP SP2 security features, you can set various registry keys. For detailed information, see: http://www.microsoft.com/technet/prodtechnol/winxppro/maintain/sp2brows.mspx

• How do I disable JavaScript?

  For information on how to disable JavaScript, and adjusting WebBrowser permissions in general see the white paper on "Adjusting WebBrowser Permissions With InternetSecurityManager" up on MSDN.

• How do I use MSHTML to edit HTML in a Windows Forms control?

  Take a look at Tim Anderson's The HtmlEditor - a C# control that wraps MSHTML for a sample control that wraps MSHTML. Contributed from George Shepherd's Windows Forms FAQ

• How do I clean up temporary files created by the WebBrowser control?

  Look at the following articles to clear the Cache. How to clear the cache when your application hosts a WebBrowser control in Visual Basic .NET (Article ID: 311289) HOW TO: Clear the Cache When Your Application Hosts a WebBrowser Control in Visual C#...

• How do I handle the BeforeNavigate2 event in a WebBrowser?

  There is a known bug: BUG: The BeforeNavigate2 Event of the WebBrowser Control Does Not Fire If Hosted in a Visual Basic .NET Application (Article ID: 311298) BUG: The BeforeNavigate2 Event of WebBrowser Control Does Not Fire If Hosted in a Visual C#...

• How do I enable editing in a WebBrowser?

  You can set the content editable by getting a reference to a IHTMLElement3 element and initializing the contentEditable property with "true". private void EnableEditing() { IHTMLDocument3 doc = (IHTMLDocument3) browser.GetDocument(); if (doc...

• How do I host a WebBrowser control in a Windows Form using the .NET Framework 1.1?

  We have two suggestions with sample projects how you host a WebBrowser control inside a form and display HTML contents and listen to events such as NavigateComplete or BeforeNavigate. Of course there are many other ways to do this. Download htmlviewer...

• Can I use a WebBrowser control in a control embedded in an Internet Explorer web page?

  I use a WebBrowser control in a Windows Forms control. When this control is used in an EXE, it works fine. But when I embed this control in a IE web page, the WebBrowser in it doesn't work (could not show any web page). Why can't the WebBrowser...