webBrowser1.DocumentText = str;
webBrowser1.Navigating += new WebBrowserNavigatingEventHandler(webBrowser1_Navigating);
Thread.Sleep(2000);while (webBrowser1.ReadyState != WebBrowserReadyState.Complete)//一直在这里循环webBrowser1.ReadyState=loading
{
    Thread.Sleep(2000);
}
strTmp = webBrowser1.Document.Body.InnerText.Trim();
………………
这个怎么解决?用webBrowser1.DocumentCompleted也不行