Public Class CookieWebClient : Inherits WebClient
' overridden to add cookie headers to http requests.
Protected Overrides Function GetWebRequest(ByVal address As
System.Uri) As System.Net.WebRequest
Dim request As WebRequest = MyBase.GetWebRequest(address)
If TypeOf request Is HttpWebRequest Then
DirectCast(request, HttpWebRequest).CookieContainer =
_cookies
End If
Return request
End Function
' overridden to save cookies to the container for http requests.
Protected Overrides Function GetWebResponse(ByVal request As
System.Net.WebRequest) As System.Net.WebResponse
Dim response As WebResponse = MyBase.GetWebResponse(request)
If TypeOf response Is HttpWebResponse Then
_cookies.Add(response.ResponseUri, DirectCast(response,
HttpWebResponse).Cookies)
End If
Return response
End Function
' overridden to save cookies to the container for async http
requests.
Protected Overrides Function GetWebResponse(ByVal request As
System.Net.WebRequest, ByVal result As System.IAsyncResult) As
System.Net.WebResponse
Dim response As WebResponse = MyBase.GetWebResponse(request,
result)
If TypeOf response Is HttpWebResponse Then
_cookies.Add(response.ResponseUri, DirectCast(response,
HttpWebResponse).Cookies)
End If
Return response
End Function
Private Shared _cookies As CookieContainer = New CookieContainer
End Class
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