private static void DelegateCallback(IAsyncResult iresult)
{
Console.WriteLine($"Getting callback on Thread {Thread.CurrentThread.ManagedThreadId}");
AsyncResult asyncResult = (AsyncResult)iresult;
AsyncInvoke method1 = (AsyncInvoke)asyncResult.AsyncDelegate;
int retVal = method1.EndInvoke(asyncResult);//在回调委托里面EndInvoke
Console.WriteLine($"retVal (CallBack):{retVal}");
}
public void PollAsyncDelegate()
{
AsyncInvoke MI = new AsyncInvoke(TestAsyncInvoke.Method1);
IAsyncResult AR = MI.BeginInvoke(null, null);
while (!AR.IsCompleted)
{
System.Threading.Thread.Sleep(100);
Console.WriteLine('.');
}
Console.WriteLine("Finished Polling");
try
{
int retVal = MI.EndInvoke(AR);
Console.WriteLine("RetVal (Polling): " + retVal);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}