Windows 7 Ftp客户端

Question

我正在使用visual studio和windows phone 7开发智能手机ftp客户端。

我面临着一些错误，比如

WebRequestMethods.ftp.ListDirectory request.Method =

错误1目标平台不支持后期绑定。C：\User\Zaheer\Documents\Visual 2010\Projects\PhoneApp4\PhoneApp4\MainPage.xaml.vb 36 30 PhoneApp4

response = CType(request.GetWebResponse()，WebResponse) Error 2 'GetWebResponse‘不是System.Net.WebRequest的成员。C：\User\Zaheer\Documents\Visual 2010\Projects\PhoneApp4\PhoneApp4\MainPage.xaml.vb 37 30 PhoneApp4

，这是完整的代码，请帮我

    Dim Request As WebRequest = Nothing
    Dim Response As WebResponse = Nothing
        Dim reader As StreamReader = Nothing
        Dim Port As Integer = 21
        Try
        Request = CType(WebRequest.Create(URL), WebRequest)
            Request.Method = "List"

        Request.Credentials = New NetworkCredential(Username, Password)
        Request.Method = WebRequestMethods.Ftp.ListDirectory
        Response = CType(Response.GetWebRequest(), WebResponse)
            reader = New StreamReader(Response.GetResponseStream())
            While (reader.Peek() > -1)
                RemoteSite.Items.Add(reader.ReadLine())
            End While
        Catch ex As Exception
            Console.WriteLine("List Sucessfully.")
        End Try
    End Sub

Answer 1

对于后期绑定错误，需要将要设置的对象转换为正确的数据类型，因为WP7不支持类型的运行时评估(后期绑定)。

至于GetWebResponse的错误，编译器是绝对正确的，WebRequest (甚至HttpWebRequest)没有GetWebResponse方法，也许您正在寻找WebRequest.GetResponse。

例如：

response = request.GetResponse(); // where request is of type WebRequest or a derived class