System.ServiceModel.Channels.OperationWithTimeoutAsyncCallback sealed delegate OperationWithTimeoutAsyncCallback : MulticastDelegate Documentation Code public OperationWithTimeoutAsyncCallback(object object, IntPtr method) public virtual IAsyncResult BeginInvoke(TimeSpan timeout, AsyncCallback callback, object object) public virtual Task EndInvoke(IAsyncResult result) public virtual Task Invoke(TimeSpan timeout)