Public Class cacheCallback Public Sub callbackRoutine(ByVal k As String, ByVal v As Object, ByVal r As CacheItemRemovedReason) 'Define the web service in the project, instantiate the web service, and call the cache procedure Dim myWebService = New my_web_service.scheduledTaskService myWebService.Timeout = -1 myWebService.runProcedure() End Sub End Class