' Create a UsernameToken with the retrieved values to 
                    ' identify the application to the
                    ' web service.
                    Dim UserToken As UsernameToken = New UsernameToken(Token, _
                      Pin, PasswordOption.SendHashed)
                    ' Add the UsernameToken to the Tokens collection of the 
                    ' Security property of the RequestSoapContext property
                    ' of the web service.
                    MsComWebService.RequestSoapContext.Security.Tokens.Add( _
                      UserToken)

        '<remarks/>
        Public Function BeginGetTopDownloads(ByVal topType As TopType, ByVal _
          topN As Integer, ByVal cultureID As String, ByVal callback As _
          System.AsyncCallback, ByVal asyncState As Object) As _
          System.IAsyncResult
            Return Me.BeginInvoke("GetTopDownloads", New Object() {topType, _
            topN, cultureID}, callback, asyncState)
        End Function