日期:2014-05-18 浏览次数:21270 次
    private void Form1_Load(object sender, EventArgs e)
    {
        webBrowser1.DocumentCompleted += (s, e1) =>
        {
            webBrowser1.Document.Body.DetachEventHandler("oncopy", OnCopy);
            webBrowser1.Document.Body.AttachEventHandler("oncopy", OnCopy);
            webBrowser1.Document.Body.DetachEventHandler("onpaste", OnPaste);
            webBrowser1.Document.Body.AttachEventHandler("onpaste", OnPaste);
        };
            
        webBrowser1.Navigate("www.sina.com");
    }
    void OnCopy(object sender, EventArgs e)
    {
        dynamic doc = webBrowser1.Document.DomDocument;
        string text = doc.selection.createRange().text;
        MessageBox.Show("copying text:" + text);
    }
    void OnPaste(object sender, EventArgs e)
    {
        string text = Clipboard.GetText();
        Clipboard.SetData("Text", "paste text:" + text);
    }
------解决方案--------------------
webBrowser1.DocumentText = "<html><body></body></html>";
IHTMLDocument2 doc = webBrowser1.Document.DomDocument as IHTMLDocument2;
doc.designMode = "On";
Application.DoEvents();
webBrowser1.Document.Body.DetachEventHandler("oncopy", OnCopy);
webBrowser1.Document.Body.AttachEventHandler("oncopy", OnCopy);
webBrowser1.Document.Body.DetachEventHandler("onpaste", OnPaste);
webBrowser1.Document.Body.AttachEventHandler("onpaste", OnPaste);