/// <summary>
        /// 微软提供的回调,调用者不在当前上下文线程中
        /// </summary>
        public override void OnActivated(string arguments, NotificationUserInput userInput, string appUserModelId)
        {
            List <KeyValuePair <string, string> > kvs = new List <KeyValuePair <string, string> >();

            if (userInput != null && userInput.Count > 0)
            {
                foreach (var key in userInput.Keys)
                {
                    kvs.Add(new KeyValuePair <string, string>(key, userInput[key]));
                }
            }
            ToastCallback?.Invoke(appUserModelId, arguments, kvs);
        }
 public abstract void OnActivated(string arguments, NotificationUserInput userInput, string appUserModelId);