get xml request using https

 Hello everyone! i need get some xml data from web aplication using htts. Code i use to do it here. 
Dim url As String url = "https://test/requestXml.aspx?d1=" & s & "&otdel=" & otdel & "&months=" & monthsCount Dim req As WinHttpRequest = New WinHttpRequest req.Open("POST", url, 0) 'req.SetClientCertificate("CURRENT_USER\MY\ONYX") req.SetClientCertificate("LOCAL_MACHINE\MY\ONYX") req.Option(WinHttpRequestOption.WinHttpRequestOption_SslErrorIgnoreFlags) = 13056 req.SetCredentials("u ...