Subscriptiononobservablenotreachingtooncompleted我正在尝试为wcf调用创建一个可观察的package器，我创建如下。方法是这样的，1234567891011121314151617181920212223242526272829privateIObservableListstring>>Search(stringsearchTerm)  {    returnObservable.CreateListstring>>(o=>    {      varsearchClient=newSearchServiceClient();      vars