webbrowser-control

问题 I've read documentation of HTTP/2.0 and I know that it is possible to fully terminates the referenced stream by using the RST_STREAM frame. Here's (https://http2.github.io/http2-spec/)! How can I implement this feature in a web browser like Google Chrome or Firefox? 回答1: As a browser user or web app developer (HTTP/Javascript) you can't. There is no public API for this, or to interact with server push in general. The possibility to do this is probably implemented in the network stack of the

问题 I have developed a web browser in c# using System.Windows.Forms.WebBrowser But it doesn't show "asp:Menu" items at my pages. I've use this code in my asp project: <asp:Menu ID="NavigationMenu" runat="server" CssClass="menu" EnableViewState="false" IncludeStyleBlock="false" Orientation="Horizontal"> <Items> <asp:MenuItem NavigateUrl="~/Default.aspx" Text="default"/> <asp:MenuItem NavigateUrl="~/Exit.aspx" Text="exit"/> <asp:MenuItem NavigateUrl="~/Setting.aspx" Text="setting"/> </Items> </asp

问题 I have a C# winforms application that opens a pdf file in a webbrowser control. It opens to whatever page I want just fine however if I want to change page (go to a bookmark) the webbrowser stops working. I found this article which explains "Basically Webbrowser.Navigate(url) ONLY fires if the url changes. If it doesn't change it uses a cached version of the web page." however I am calling navigate with a Uri, not a string url like this: webBrowser.Navigate(new Uri(url)); My question is

问题 I am trying to set a value programatically to a textbox in a web browser but it is throwing the Null exception. This is the code, I have tried:- webBrowser1.Document.GetElementById("field-summary").InnerText = "Something"; webBrowser1.Document.GetElementById("field-summary").SetAttribute("value", "Something"); I have tried to find the element by using the Quick Watch and it is there, but I am unable to set a value. Hereby, I have attached the snap of watch too. And this is the error, I am

问题 I have a .net Windows forms project that includes the System.Windows.forms.WebBrowser control to allow the user to do some editing of HTML content. When this control is in edit mode Elements such as div or span can be drag-and-drop edited, but selecting an element and typing Delete does nothing. I have seen a few posts that talk about making this work in C++ but they are not very detailed. Example http://social.msdn.microsoft.com/Forums/en-US/ieextensiondevelopment/thread/1f485dc6-e8b2-4da7

问题 This is all there is to my code. I've tried moving the WindowState assignment to the Form1_Load procedure, but that doesn't make any difference. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace TestApp1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); WindowState = FormWindowState.Maximized;

问题 I am using the System.Windows.Forms.WebBrowser to display XML in a syntax highlighted and easy to traverse format. Whenever I load the XML into the Control, I would like to have all the elements collapsed, is this possible? 回答1: This is triggered by the DocumentCompleted event handler. this was a useful link to help with java script injection: How to execute custom JavaScript in WebBrowser control? I used the following code. private void CollapseExpandDocument(object sender,

问题 I have the following: public MainPage() { webBrowser1.ScriptNotify += new EventHandler<NotifyEventArgs>(webBrowser1_ScriptNotify); } void webBrowser1_ScriptNotify(object sender, NotifyEventArgs e) { // ... some code ... webBrowser1.InvokeScript("nativeCallback", response.Serialize()); } The script notify is triggered when a user presses a button on the web page. I am trying to invoke the JavaScript below but i keep getting Error 80020101. <script type="text/javascript"> function

问题 I would like to get the latest content of a page that updates too often, for example, https://www.oanda.com/currency/live-exchange-rates/ (prices update every five second on weekdays) I am using the following code: var webBrowser = new WebBrowser(); webBrowser.ScriptErrorsSuppressed = true; webBrowser.AllowNavigation = true; webBrowser.Navigate("https://www.oanda.com/currency/live-exchange-rates/"); while (webBrowser.ReadyState != WebBrowserReadyState.Complete) { Application.DoEvents(); }

问题 I have an application with a webbrowser control in it. When I navigate in that control then step away for a bit, then come back to it (after unlocking the screen due to inactivity), the first/original page shows up again. How can I maintain the state of the browser? 回答1: Define a public property Url in App.xaml.cs to store an Url public Uri Url { get; set; } On WebBrowser_LoadCompleted event: save WebBrowser.Source property which contains the current loaded Url to above Url property of