webbrowser-control

问题 I want to make a program that will simulate a user browsing a site and clicking on links. Cookies and javascript have to be enabled. I've successfully done this in python, but I want to write it an compilable language (python ide's don't cut it). The links on the site are generated with javascript and are dynamic. With python I used PAMIE (third party module that uses win32com) to launch an instance of Internet explorer, scrape the generated html for the links, then navigate to one of them.

问题 while using webbrowser control, I need to programmatically auto close a javascript confirm box. I used below user32.dll approach and it is working fine on OS which are based english language. [DllImport("user32.dll", CharSet = CharSet.Auto)] static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam); But if the computer running non-english OS, it is not working fine as I am using "OK" as text in above method call. One approach which I suppose can work is I should

问题 I'm trying to set a proxy for only the current instance of a WebBrowserControl. The documentation is terrible but I believe that if I call wininet.dll 's InternetSetOption passing the IntPtr handle to the internal browser used by the WebBrowserControl as the first parameter then the method will only affect the current instance (and I can set a proxy using this method http://msdn.microsoft.com/en-us/library/aa385114(v=VS.85).aspx). However, the WebBrowserControl does not provide any means to

问题 I am currently copying from clip board to load image from browser IHTMLDocument2 doc = (IHTMLDocument2) webBrowser1.Document.DomDocument; IHTMLControlRange imgRange = (IHTMLControlRange) ((HTMLBody) doc.body).createControlRange(); foreach (IHTMLImgElement img in doc.images) { imgRange.add((IHTMLControlElement) img); imgRange.execCommand("Copy", false, null); using (Bitmap bmp = (Bitmap) Clipboard.GetDataObject().GetData(DataFormats.Bitmap)) { bmp.Save(@"C:\"+img.nameProp); } } But it has some

问题 I am trying to create a multi-threaded application that creates WebBrowsers and does specific things to each one. When I tried my code from the main thread it worked great, However, When I changed the code to run from a thread, the code runs fine until InvokeMember("click") is called and nothing happens. InvokeMember() isn't executed and the button click doesn't take place. Here is my code: private void button1_Click(object sender, EventArgs e) { Thread t = new Thread(Work); t

问题 private void button1_Click(object sender, EventArgs e) { webBrowser1.Navigate(textBox1.Text); } private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e) { WebBrowser web = (WebBrowser)sender; richTextBox1.Text = web.DocumentText; } above is sample code. it's giving all Text of Current Open, if contents is updated by JavaScript, it visible but Document.Text not update. Please Help guys 回答1: I had the same problem. Use the following sample code:

问题 I'm using a WebBrowser control , there is an event which is called DocumentCompleted , this event is fired for each frame in the web page and also for all the child documents (e.g. JS and CSS) that are loaded. my question is how to detect the last entry of this event, I mean how to detect when the page is fully loaded , and this event is not firing again . I looked for this a lot , I found a solution like this : void webBrowser1_DocumentCompleted(object sender,

问题 So there is a button call next (page). Its href link is site/blah/#. So i know its really running javascript code. After i finish parsing the first page i would like to parse the next page. How do i simulate a mouse click there so i can continue loading and parsing pages? i am using C# .NET 回答1: childElement.RaiseEvent("OnClick"); 回答2: If you know the id of the tag you can use below given code WebBrowser1.Document.GetElementById("submit").InvokeMember("click") if you dont know the id you can

问题 The present user agent for the browser control that i see in the emulator is Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; Microsoft; XDeviceEmulator) and i want to change that to Mozilla/5.0 Windows NT 6.1 AppleWebKit/535.1 KHTML, like Gecko Chrome/14.0.835.187 Safari/535.1 or something similar. How to code that in C# to change the user agent string for the web browser control. 回答1: Found a way webBrowser.Navigate("http://localhost/run.php", null, "User

问题 I want to display unicode character for different languages in web browser control of WPF but it displays special characters is there any setting I have to set in web browser control ? 回答1: You did not tell us how your load the content into WebBrowser . If you navigate to a URL, make sure the server sends correct charset encoding as part of Content-Type in HTTP response headers: Content-Type: text/html; charset=utf-8 If you have no control over the server, and the server doesn't specify the