how do set a timeout for a method

Question

how do set a timeout for a busy method +C#.

Answer 1

While MojoFilter's answer is nice it can lead to leaks if the "LongMethod" freezes. You should ABORT the operation if you're not interested in the result anymore.

public void LongMethod()
{
    //do stuff
}

public void ImpatientMethod()
{
    Action longMethod = LongMethod; //use Func if you need a return value

    ManualResetEvent mre = new ManualResetEvent(false);

    Thread actionThread = new Thread(new ThreadStart(() =>
    {
        var iar = longMethod.BeginInvoke(null, null);
        longMethod.EndInvoke(iar); //always call endinvoke
        mre.Set();
    }));

    actionThread.Start();
    mre.WaitOne(30000); // waiting 30 secs (or less)
    if (actionThread.IsAlive) actionThread.Abort();
}