CloudMusic/FNZCM/FNZCM.BlazorWasm/Helpers/TimeoutHelper.cs

namespace FNZCM.BlazorWasm.Helpers
{
    public static class TimeoutHelper
    {
        public static void SetTimeout(int ms, params Func<Task>[] actions)
        {
            int index = 0;

            var t = new System.Timers.Timer(ms);
            t.Elapsed += async delegate
            {
                t.Stop();
                try
                {
                    await actions[index]?.Invoke();
                }
                finally
                {
                    ++index;
                    if (index >= actions.Length)
                    {
                        t.Stop();
                        t.Dispose();
                        t = null;
                    }
                    else
                    {
                        t.Start();
                    }
                }
            };
            t.Start();
        }
    }
}