Console App Terminating Before async Call Completion

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Yes. Use a ManualResetEvent, and have the async callback call event.Set(). If the Main routine blocks on event.WaitOne(), it won’t exit until the async code completes.

The basic pseudo-code would look like:

static ManualResetEvent resetEvent = new ManualResetEvent(false);

static void Main()
{
     CallAsyncMethod();
     resetEvent.WaitOne(); // Blocks until "set"
}

void DownloadDataCallback()
{
     // Do your processing on completion...

     resetEvent.Set(); // Allow the program to exit
}

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