void Start()
{
AsyncResult result = new AsyncResult();
/* Register a callback */
result.Callbackable().OnCallback((r) =>
{
if (r.Exception != null)
{
Debug.LogFormat("The task is finished.IsDone:{0} Exception:{1}", r.IsDone, r.Exception);
return;
}
Debug.LogFormat("The task is finished. IsDone:{0} Result:{1}", r.IsDone, r.Result);
});
/* Start the task */
this.StartCoroutine(DoTask(result));
}