wpf webbrowser 获取页面URL

[chucongwen1]

<wfi:WindowsFormsHost x:Name = "c_wfh" >
<wf:WebBrowser Margin="0,0,0,0" x:Name="webbrowser" Dock="Fill">
</wf:WebBrowser >
</wfi:WindowsFormsHost >

代码

 
private delegate void BeforeNavigate2(object pDisp, ref dynamic url, ref dynamic Flags, ref dynamic TargetFrameName, ref dynamic PostData, ref dynamic Headers, ref bool Cancel);



   dynamic wb = webbrowser.ActiveXInstance;
            wb.BeforeNavigate2 += new BeforeNavigate2(WebBrowser_BeforeNavigate2

            );

  private void WebBrowser_BeforeNavigate2(object pDisp, ref object URL, ref object Flags, ref object TargetFrameName, ref object PostData, ref object Headers, ref bool Cancel)
        {
            String strUri = (URL == null ? "Null" : URL.ToString());
            MessageBox.Show("post" + strUri);
        }

点击某一天弹出对话框 但是网页的url是不变的，我要获取到点击的这一天数据的url，我在网上找了些方法 用的就BeforeNavigate2 但是 只要页面的url不变 就获取不到，求各位大神帮帮我解决，初学者。。。

[chucongwen1]

[快溜]

httpwebrequest

[wjqzzzy]

想问一下，.ActiveXInstance在WPF怎么不识别，是哪里没有配置好吗？