Can block if network resources are not available . you should consider using an asynchronous request with the 如果网络资源不可用,则对getresponse的调用可能会阻塞。
Active objects are objects that can receive asynchronous requests , which are processed in the background some time after the request is received Active对象是可以接收异步请求的对象,它在接收到请求后的一段时间内以后台方式得以处理。
For the httpwebrequest method , an uncatchable objectdisposedexception could occur when exiting an application with asynchronous requests 当具有非同步要求的应用程式存在时, httpwebrequest方法可能会发生无法拦截的objectdisposedexception 。
So far , i ve looked at asynchronous request response using message queues and business logic encapsulation using the command pattern 迄今为止,我已经观察到可以使用消息队列来实现异步的请求或响应,以及使用command模式来实现商业逻辑封装。
Cancels all pending asynchronous requests to send an internet control message protocol icmp echo message and receives a corresponding icmp echo reply message 取消所有挂起的发送internet控制消息协议( icmp )回送消息并接收相应icmp回送答复消息的异步请求。