// NOTE Add方法自动判断是否马上加载，而Load只能在运行时使用，要立即加载
public void Add(ContentData data)
{
Content c = new Content(data);
if (Loaded)
c.Load(ContentMgr);
ContentList.Add(c);
}
public Object Load(ContentData data)
{
Content c = new Content(data);
c.Load(ContentMgr);
ContentList.Add(c);
return c.Combra;
}
public ContentSet(ContentSetData data)
{
this.Id = data.Id;
this.Name = data.Name;
ContentList = new List<Content>();
foreach (ContentData ri in data.ContentDataList)
{
Content c = new Content(ri);
ContentList.Add(c);
}
}