) return base.Channel.BeginCheckIfUserExists(request, callback, asyncState);{}
public int EndCheckIfUserExists(System.IAsyncResultreturn base.Channel.BeginCheckIfUserNameExists(request, ca
Object reference not set to an instance of an object. at GetOffers.DbConnection.processEndReceive(IAsyncResultconnectionString, queueStr,ReceiveMode.ReceiveAndDelete); void processEndReceive(IAsyncResult---------------------------");
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我需要能够在IAsyncResult中实现各种VB.Net属性。就像冠军一样..。Public ReadOnly Property AsyncState() As Object Implements IAsyncResult.AsyncState '.End SetIN VB.NET -这两个都失败了Public AsyncState As Obje
简而言之,我将BeginGetRequestStream的IAsyncResult返回给BeginMyOperation()的调用者,并且我希望真正返回BeginGetResponse的IAsyncResult所以我在想,我该怎么做
public IAsyncResult BeginMyOperation(...I don't want to send this IAsyncResult back.public void EndMyOperation(IAsyncResult ar)