C#事件操作与Func<Task>抛出异常

using System;
using System.Threading.Tasks;

public class EventPublisher
{
    public event Func<Task> MyEvent;

    public async Task RaiseEventAsync()
    {
        MyEvent?.Invoke();
        await Task.CompletedTask;
    }
}

public class EventSubscriber
{
    public async Task OnMyEventAsync()
    {
        await Task.Delay(1000);
        throw new InvalidOperationException("Something went wrong!");
    }
}

public class Program
{
    public static async Task Main(string[] args)
    {
        var publisher = new EventPublisher();
        var subscriber = new EventSubscriber();

        publisher.MyEvent += subscriber.OnMyEventAsync;

        try
        {
            await publisher.RaiseEventAsync();
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Caught exception: {ex.Message}");
        }
    }
}

public static async Task Main(string[] args)
{
    var publisher = new EventPublisher();
    var subscriber = new EventSubscriber();

    publisher.MyEvent += subscriber.OnMyEventAsync;

    try
    {
        await publisher.RaiseEventAsync();
    }
    catch (AggregateException ae)
    {
        ae.Handle(ex =>
        {
            if (ex is InvalidOperationException)
            {
                Console.WriteLine($"Caught exception: {ex.Message}");
                return true; // Handle the exception
            }
            return false; // Propagate the exception
        });
    }
}