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c#asynchronousbegininvoke
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Reputation: 47

How to catch TimeoutException in BeginInvoke()

My hope is that test.BeginInvoke() throws an TimeoutException after the time limit. but, It doesn't catch TimeoutException. How can I fix it? Thank you so much.

public delegate void AasyncDelegateCaller(int callDuration, out int threadId);

public void AasyncDelegate(int callDuration, out int threadId)
{
    Thread.Sleep(callDuration);
    threadId = Thread.CurrentThread.ManagedThreadId;
    Console.WriteLine("TimeoutException");
    throw new TimeoutException();
}


private static void Search()
{
    try
    {
        int threadId;
        Program p = new Program();
        AasyncDelegateCaller caller = new AasyncDelegateCaller(p.AasyncDelegate);
        IAsyncResult result = caller.BeginInvoke(3000, out threadId, null, null);
        SearchProgram(); // Sometimes it takes a long time. So I want to throw TimeoutException at that time
    }
    catch (TimeoutException)
    {
        Console.WriteLine("It takes Long! Bye");
    }

}

Upvotes: 0

Views: 55

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