9. MessageCenter 静态类

9.1 动态订阅消息

MessageCenter.Subscribe("messageId", async (ctx) => {
    Console.WriteLine("我是动态的");
    await Task.CompletedTask;
});

9.2 发送消息

await MessageCenter.PublishAsync("messageId", new {});

// 诸多重载

9.3 取消订阅

MessageCenter.Unsubscribe("messageId");