public void UseDelegate()
{
// The asynchronous method puts the thread id here.
int threadId;
// Create an instance of the test class.
AsyncDemo ad = new AsyncDemo();
// Create the delegate.
AsyncMethodCaller caller = new AsyncMethodCaller(ad.TestMethod);
// Initiate the asychronous call.
IAsyncResult result = caller.BeginInvoke(3000,
out threadId, null, null);
Thread.Sleep(200);
Console.WriteLine("Main thread {0} does some work.",
Thread.CurrentThread.ManagedThreadId);
// Call EndInvoke to wait for the asynchronous call to complete,
// and to retrieve the results.
string returnValue = caller.EndInvoke(out threadId, result);
Console.WriteLine("The call executed on thread {0}, with return value \"{1}\".",
threadId, returnValue);
}
public async Task <Tuple <int, string> > StartAsync(int callDuration)
{
Console.WriteLine($"Main thread {0} does some work.",
Thread.CurrentThread.ManagedThreadId);
// Create an instance of the test class.
AsyncDemo ad = new AsyncDemo();
var tuple = await ad.TestMethodAsync(4000);
//var tuple1 = await ad.TestMethodAsync(2000);
Console.WriteLine("The call executed on thread {0}, with return value \"{1}\".",
tuple.Item1, tuple.Item2);
return(tuple);
}