问在C#中从main调用异步函数

EN

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace AsyncAwait
{
    public class Downloader
    {

        public async Task DownloadFilesAsync()
        {
            // In the Real World, we would actually do something...
            // For this example, we're just going to print file 0, file 1.
            await DownloadFile0();
            await DownloadFile1();
        }
        public async Task DownloadFile0()
        {
            Console.WriteLine("Downloading File 0");
            await Task.Delay(100);
        }

        public async Task DownloadFile1()
        {
            Console.WriteLine("Downloading File 1");
            await Task.Delay(100);
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AsyncAwait
{
    class Program
    {
        static void Main(string[] args)
        {
            Downloader d = new Downloader();

        }
    }
}