[VB.NET] مساعدة في العمل على موقع بإستخدام HttpWebReuest

كود :
Dim cook As CookieContainer = Nothing

   Dim nn As HttpWebRequest = WebRequest.Create("https://temp-mail.org/en/option/change/")

   nn.CookieContainer = coo 

   Dim bb As HttpWebResponse = nn.GetResponse(

 Dim RR As StreamReader = New StreamReader(bb.GetResponseStream)

     Dim f As String = RR.ReadToEnd

    Dim Reg As String = New Regex("csrf..value..(.*?).""").Match(f).Groups(0).Value

       Dim Enc As Encoding = New UTF8Encoding

    Dim Stringdata As String = "csrf=" + Reg + "&mail=" + TextBox3.Text.Trim + "&domain=%40ipdeer.com"

   Dim Bytes1 As Byte() = Enc.GetBytes(Stringdata)

    Dim Request As HttpWebRequest = WebRequest.Create("https://temp-mail.org/en/option/change/" 

   Request.Method = "Post"

 Request.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials 

       

  Request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko"

       Request.ContentType = "application/x-www-form-urlencoded"

      Request.ContentLength = Bytes1.Length 



        Dim wr As Stream = Request.GetRequestStream()

  wr.Write(Bytes1, 0, Bytes1.Length)

   wr.Close()

 Dim Response As HttpWebResponse = Request.GetResponse()

     Dim Temp As Stream = Response.GetResponseStream()

  Dim Temp1 As New StreamReader(Temp)

  WebBrowser1.DocumentText = Temp1.ReadToEnd

    Temp1.Close()

  Temp.Close( 

 Response.Close() 

  Dim Reader As StreamReader = New StreamReader(Response.GetResponseStream())

 cook.Add(Response.Cookies)

  WebBrowser1.DocumentText = Reader.ReadToEnd()