调用返回

• Also throws an exception if the last call to
  的最近一次调用返回
• Returned false , which indicates the end of the collection
  的调用返回false （它指示集合的结尾） ，则
• Throws an exception if the last call to
  的最近一次调用返回
• When the call returns , the count on the semaphore is decremented
  当调用返回时，信号量的计数将减少。
• You can perform calculations on the values that both calls returned
  ，则可对两个调用返回的值进行计算。
• Callers must pass the instance returned by the corresponding call to
  调用方必须将对应调用返回的实例传递给begin
• Hresult returned from call
  调用返回的hresult 。
• On return from the call
  从调用返回时转换一次。
• For the current thread to return
  的调用返回。
• Returned by a given call to the
  方法调用返回的