Changing The UserAgent Of The WebBrowser Control -Winforms C#
Jun 2, 2009
I am trying to change the UserAgent of the WebBrowser control in a Winforms application.
I have successfully achieved this by using the following code:
[DllImport("urlmon.dll", CharSet = CharSet.Ansi)]
private static extern int UrlMkSetSessionOption(
int dwOption, string pBuffer, int dwBufferLength, int dwReserved);
[Code]....
The only problem is that this only works once. When I try to run the ChangeUserAgent() method for the second time it doesn't work. I stays set to the first changed value. This is quite annoying and I've tried everything but it just won't change more than once.
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Jan 3, 2010
Ok.. I got the useragent to change:
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[code].....
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Dec 5, 2010
Just wondering what browser type 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.
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Oct 23, 2009
how to change the useragent on webbrowser control?
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May 5, 2011
I'm trying to create a button that will hide the panel that I have docked at the centre of my user control. [code]This works to an extent. However, when the bottomPanel is set to Fill it seems to fill the entire control, and not just up to toolStrip1. Can anyone tell me why this is happening, and how to correct it?
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Jun 11, 2012
I have a question about the webbroswer control regarding anchor tags. Is it possible to programmactically in vb.net go to an anchor tag in a webbrowser control? I would like to ideally provide a combo box drop down on the winform form and control which part of the html page the user goes to when the user makes a selection from the combo box.
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Jun 11, 2012
I have a question about the webbrowser control 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 want to use the webbrowser control in winforms using VB.Net. I only want to store the fields values in the html document, not the whole document. 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.
Has anyone done this before and could someone please provide some sample code on how to do this?
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Aug 20, 2008
I am creating a program with a web browser component, and a tab control. Default, the web browser is anchored to the toolbar. In my program there is an option to make a toolbar at the top of the form visible.false. Is there a way to make the web browser anchor to the top of the tab control when the toolbar is not visible, and anchor to the toolbar when the toolbar is visible?? I have experimented with docking (fill) but then parts of the web browser become covered by the toolbar and status bar. I am still relatively new to visual basic 2008 so if you could please explain or provide code.
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Aug 10, 2006
This problem is with the WebBrowser component. The code posted below is what I am trying to insert into the control before it renders the page for the first time. This question actually stems from this post: [URL]. I am developing the application in C#, however the problem is not really language specific.
When I have a page that has a javascript call to:
window.print()
I am wanting to override the print method so that pages do not pop up the print dialog. I can do so by inserting this into the top of the html:
window.print=function emptyMethod() {};
I now just need to figure out how to get this code into the document html before the browser control renders it for the first time. I have tried a number of things (for a complete list, see the post listed above), all with no success.
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Jan 27, 2011
How I could reduce the font size of xml rendered in a webbrowser control? According to MSDN the font property of the WebBrowser class isn't used.
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Aug 26, 2009
i would like to be able to set the change the default file location. for example if i do a filestream on a "file.txt", i want it to look by default in the desktop. is there somewhere in the settings of vb.net express 2008 where i can change this default location of working with files?
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Feb 15, 2011
All my forms inherits from one base form where we handle background paint and set standard properties. Recently, I think of cheching if the app is running on Vista or Later to use Segoe UI font, and I added this. The problem is than inherited forms changed sizes and their inner controls changed also... even PictureBoxes! The controls and forms seems to be thinner (in width), so square picturebox became vertical rectangules!
[Code]...
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Jun 5, 2010
I have a page that refreshes every 20 seconds and I need to know when it is done refreshing, the DocumentCompleted event does not fire when you refresh for some reason.
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Feb 7, 2010
[code]I have web programming background and trying to learn windows programming....any guide or tutorial to make the transition smoother ?
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Nov 26, 2010
i have one problem in this code
vb
Private Function Download()
Dim htr As System.Net.HttpWebRequest = CType(System.Net.WebRequest.Create("http://www.google.es/"), System.Net.HttpWebRequest)
htr.UserAgent = "ExplorerExpres 3.0"
[code]....
i need send UserAgent then download the font code?
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Jul 18, 2011
I've created a Web Browser but I need one last thing: When I change between tabs the ComboBox with URL won't change respectively with the navigated URL of each tab. Here's the code:
Public Class custombrowser
inherits eWebbrowser
Public Sub New()
Me.ScriptErrorsSuppressed = True
[Code] .....
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Apr 18, 2011
I use webbrowser as File Explorer.
If you click folder it opens new folder contents in WB window but if you click html document it opens in EXTERNAL viewer.
How do you get html document to open in WB while exploring ?
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Aug 10, 2010
I am writing a few web based apps which will require a webbrowser extension. I have already used the IE webbrowser control that uses the trident web rendering engine. I believe this is MSHTML.DLL? Anyway, some of the users of my programs have complained of a few things. Particularily,
1. It seems to be a slow browser, at least compared to other rendering engines out there (webkit and gecko are 2 known ones).
2. On the developer side, it seems to be low in features. The features are sufficient in most cases, but there are some "special" things that I need.
3. It has VERY low HTML (and especially HTML5) compliance.
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. Or, if you guys feel ambitious, we could try writing a brand new engine ourselves. I know how big of a job it is, and frankly, I have no clue where to begin. I would just like your thoughts and opinions on the matter.
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Mar 18, 2011
i have created an app to load an access database into a datagridview, which contains web urls. When button is clicked it webbrowser1 navigates to each url and each webpages document.inertext is put into textbox. This all work fine but after a while the webbrowser navigation becomes increasingly slower.
For Each RW As DataGridViewRow In Me.DataGridView1.SelectedRows
'''''''''''#######cell values into strings ########''''''''''''''
If RW.Selected = True Then
Dim domain As String
[code]....
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May 14, 2009
I'm making a program that creates a url for an image and where the url originall comes from is where I want the new url to go, so how could I change the specific html for that image in the open web browser such as firefox. If you need to know the web site and the image here's a link to the page. Link here's the picture on the page I want to change here's the html for that image.
[Code]...
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Oct 12, 2009
I've tried to implement directory listing using the Webbrowser component, I dont need much, just to display some directories, be hable to click them and then be hable to see its contents and be hable to see the images and files inside. the problem is, the default behavior of the webbrowser component is, any directory link you try to click. it will inmediately make either IEXPLORER or MS Explorer to run (in a new window) and open the directory. I just want the webbrowser component to let navigate freely on directories. What can I do to implement this? Just to Clarify: I just want webbrowser to open the directories and files IN THE SAME WINDOW and to not run the MSexplorer like it does by default.
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Feb 16, 2011
I'm trying to make a program with transparent labels over pictureboxes and when I set the label Parent to the PictureBox the position of the label changes.
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Jun 4, 2011
So like this. Textbox1 has this text [URL]. I want it on a button press it will change any urls
With Http://www .
To http://m .
At the end after button press it will be [URL]
Also I need it on button press to change the current url in the webbrowser1
From: [URL]
To: [URL]
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Jan 1, 2011
Ive tried to edit option on the webbrowser control, example javascript enable/disable. but found out that it uses IE's option and cannot be changed.So my question is: Is there a way to do a "webbrowser" without using the WEbbrowser control that is based on internetexplorer? If it is, can i change option example flash and so on?
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Apr 7, 2010
know the millisecond interval, used by the framework trackbar, between calling the ValueChanged event when moving the grip with a mouse?I've implemented my own trackbar and I'd like the behaviour 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.
ETA: Actually, thinking about it, it's not as simple as that. For small changes, the TrackBar is raising the event for every change. However, if you make a large fast change with the grip, it will not raise the event for every step. Just wondering exactly how the framework does this?
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Dec 18, 2011
Is there any way to scroll in a StatusStrip when its controls exceed form viewing area? My StatusStrip acts as a taskbar with a lot of labels (acting as buttons) which if there are too many might go outside the bounds of the screen.
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May 4, 2011
What is the best way to bind a property to a control so that when the property value is changed, the control's bound property changes with it.So if I have a property "FirstName" which I want to bind to a textbox "txtFirstName" text value. If I change FirstName to "Stack" the txtFirstName.Text also changes to "Stack".
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Mar 25, 2010
I'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 teh Visual Studio 2005 IDE. Where do I need to look to find these elements?
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May 22, 2012
I am currently developing a WinForms application in C# and require a table control that can contain other UI controls.In the following example, I would like the Links column to contain link label controls:
| ID | Name | Links |
-----------------------------------
| 1 | n1 | link1, link2, link3 |
| 2 | n2 | link1 |
Is there one I can use 'out of the box', are there any good third party ones?
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Mar 18, 2009
How do I find out which control has focus in winforms?
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