A user agent is a computer program representing a person, for example, a browser in a Web context.
Besides a browser, a user agent could be a bot scraping webpages, a download manager, or another app accessing the Web. Along with each request they make to the server, browsers include a self-identifying User-Agent HTTP header called a user agent (UA) string. This string often identifies the browser, its version number, and its host operating system.
Spam bots, download managers, and some browsers often send a fake UA string to announce themselves as a different client. This is known as user agent spoofing.
A typical user agent string looks like this: "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0".
Promo Proximo4,40388 gold badges3939 silver badges5757 bronze badges Note: To use the method above you’ll need to add a COM reference to “Microsoft Internet Controls”.
Constantin Constantin2,14822 gold badges2222 silver badges3030 bronze badges Using the renavigating caused other weird issues for me, like the browser content suddenly vanishing, and sometimes still getting Unsupported Browser.
Changing the Sergeant for C# Projects A short time ago I completed a project for a company who needed to change the user agent on the web browser control within a Windows Forms project. I have since seen this question pop up quite a bit around the place, so I’m going to show you two ways you can accomplish this.
When you call the Navigate method for a web browser control, the fourth parameter lets you specify any other headers that you would like to send along with the request. The first parameter specifies a string of a URL to which you want to navigate, easy enough.
Here I have specified _self which says to navigate to the website inside the same webbrowsercontrol. If we were to use that from our application, it would open the default web browser.
The third parameter contains any post data which you might want to send. So for example, if you wanted to fill out a form, you could specify the details here and the data would be sent along with the request.
So, as you can see, both of these methods have their advantages and disadvantages. Using the Navigate method only sets the user agent on a per call request, whereas using the API sets the user agent for the entire session. I am trying to change the Sergeant of the WebBrowsercontrol in a Informs application.
When I try to run the ChangeUserAgent() method for the second time it doesn’t work. Note: To use the method above you’ll need to add a COM reference to “Microsoft Internet Controls”.
He mentions your approach too, and states that the WebBrowsercontrol seems to cache this user agent string, so it will not change the user agent without restarting the process. Using the renavigating caused other weird issues for me, like the browser content suddenly vanishing, and sometimes still getting Unsupported Browser.
Hi, I'm trying to the change the user agent of my web browser, and there are plenty of links online showing how to do this, but I can't find out how to do it permanently. Well not permanently for the whole system, just for my apps web browser.
For instance, I can change the user agent initially with this: But if I then NAVIGATE to a DIFFERENT page in the web browser by following a link, it reverts to normal IE.
Jun 2, 2009I am I trying to change the Sergeant of the WebBrowsercontrol in a Informs application. When I try to run the ChangeUserAgent() method for the second time it doesn't work.
View 5 Replies Dec 5, 2010Just wondering what browser types the VB.NET reads as when it visits a webpage. For instance on my website it shows a break down of all the different browsers that accessed my site.
View 1 Replies Oct 23, 2009how to change the user agent on webbrowsercontrol ? View 10 Replies May 5, 2011I'm trying to create a button that will hide the panel that I have docked at the center of my user control.
View 1 Replies Jun 11, 2012I have a question about the webbroswer control regarding anchor tags. I would like to ideally provide a combo box drop on the inform form and control which part of the HTML page the user goes to when the user makes a selection from the combo box.
View 1 Replies Jun 11, 2012I have a question about the webbrowsercontrol that I hope someone can answer. I am working on a document retrieval and storing class that uses HTML to display and save data.
I am hoping to use labels in HTML and read them with the DOM of the web browser control but am not sure how to do this. View 1 Replies Aug 20, 2008I am I creating a program with a web browser component, and a tab control.
I have experimented with docking (fill) but then parts of the web browser become covered by the toolbar and status bar. The code posted below is what I am trying to insert into the control before it renders the page for the first time.
View 3 Replies Jul 18, 2011I've created a Web Browser but I need one last thing: When I change between tabs the Combo with URL won't change respectively with the navigated URL of each tab. View 3 Replies Aug 10, 2010I am I writing a few web based apps which will require a web browser extension.
It seems to be a slow browser, at least compared to other rendering engines out there (WebKit and gecko are 2 known ones). My question is, how much work would it take to use a different engine (such as WebKit .net, which I HAVE heard of) and be able to distribute it easily.
View 3 Replies Mar 18, 2011i have created an app to load an access database into a datagridview, which contains we burls. When button is clicked it webbrowser1 navigates to each URL and each webpages document.inert ext is put into text box.
This all work fine but after a while the web browser navigation becomes increasingly slower. Link here's the picture on the page I want to change here's the HTML for that image.
The problem is, the default behavior of the web browser component is, any directory link you try to click. It will immediately make either Explorer or MS Explorer to run (in a new window) and open the directory.
I just want the web browser component to let navigate freely on directories. Just to Clarify: I just want web browser to open the directories and files IN THE SAME WINDOW and to not run the MS explorer like it does by default.
View 6 Replies Apr 7, 2010know the millisecond interval, used by the framework track bar, between calling the ValueChanged event when moving the grip with a mouse? I've implemented my own track bar and I'd like the behavior to be consistent with what the user expects. I've had a look in reflector but it's one of those controls where most of the implementation is not viewable. However, if you make a large fast change with the grip, it will not raise the event for every step.
View 1 Replies Mar 25, 2010I'm using .NET 2.0 Windows Forms and want to add “drawing” components such as lines, rectangles, etc. I've done this before in MS Access, but I can't seem to find similar things in the Visual Studio 2005 IDE.
How do I change the user agent for the embedded web browser's process in C++? Looking for a way to do it so the user agent is set for the entire time (multiple hyperlink clicks). I know how to do it in VB.NET but starting out with C++ and it's an essential part of my project.
You'd better ask your question in some. Net or in Managed C++/CLI forums. All hosts of the WebBrowsercontrol share the same global Internet settings.
As documented in the Internet Client SDK (Intend), Browser hosts can implement the DISPID_AMBIENT_DLCONTROL ambient property on their default dispatch interface to override the global settings for download options. The WALK ALL sample in the Intend (\Intend\Samples\Walk all) demonstrates this technique for an MS HTML host.
A similar method can be used in Browser hosts to achieve the same effect. This ambient property can be overridden, but it isn't used when programmatically calling the Navigate method.
The new Microsoft Edge web browser is based on Chromium, the same core that Google Chrome uses. It may identify as Chromium because of that and that should give it the same level of compatibility with websites and applications as Google Chrome.
In the case of streaming media sites, it is identifying itself as the classic Edge browser: Edge may restrict exposure to one of the supported DRM plugins on select sites.
It does so for CBS, Shudder, TV now, Bitcoin and Sling currently, and exposes only Google's Wide vine to these sites. Microsoft has not published any article or information on Edge's user agent changing capabilities.
Microsoft picks the classic Edge browser to unlock high quality streams on certain media streaming sites, Google Chrome when the user agent offers advantages, and the default user agent of the browser on the majority of sites out there. You can change the Sergeant String (String) in Google Chrome for your desktop computer by using these steps.
You can also get to this screen by pressing Ctrl + Shift + I for Windows and Linux or Command + Option + I for macOS. Select the Menu icon located in the upper-right corner, then choose More tools > Network conditions “.
Uncheck the Select automatically check box, then choose the user agent you wish to use. Note: The UA String will only be spoofed on the current tab and only while the Developer Tools are open.