在WebBrowser中注入并执行javascript代码

转自：http://outofmemory.cn/code-snippet/1524/WebBrowser-zhuru-execution-javascript-code

//找到head元素HtmlElement head = webBrowser1.Document.GetElementsByTagName("head")[0];//创建script标签HtmlElement scriptEl = webBrowser1.Document.CreateElement("script");IHTMLScriptElement element = (IHTMLScriptElement)scriptEl.DomElement;//给script标签加js内容element.text = "function sayHello() { alert('hello') }";//将script标签添加到head标签中head.AppendChild(scriptEl);//执行js代码webBrowser1.Document.InvokeScript("sayHello");