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delegate3.cs
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delegate3.cs
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using System;
using System.Threading;
using System.Runtime.InteropServices;
using System.Runtime.Remoting.Messaging;
class Test {
delegate int SimpleDelegate (int a);
static int cb_state = 0;
static int F (int a) {
Console.WriteLine ("Test.F from delegate: " + a);
throw new NotImplementedException ();
}
static void async_callback (IAsyncResult ar)
{
AsyncResult ares = (AsyncResult)ar;
AsyncCallback ac = new AsyncCallback (async_callback);
Console.WriteLine ("Async Callback " + ar.AsyncState);
cb_state++;
SimpleDelegate d = (SimpleDelegate)ares.AsyncDelegate;
if (cb_state < 5)
d.BeginInvoke (cb_state, ac, cb_state);
//throw new NotImplementedException ();
}
static int Main () {
SimpleDelegate d = new SimpleDelegate (F);
AsyncCallback ac = new AsyncCallback (async_callback);
IAsyncResult ar1 = d.BeginInvoke (cb_state, ac, cb_state);
ar1.AsyncWaitHandle.WaitOne ();
while (cb_state < 5)
Thread.Sleep (200);
return 0;
}
}