public FeedGroup2(FeedGroup legacy)
{
Id = legacy.Id;
Label = legacy.Label;
_FeedSourceList = legacy.FeedSourceList.ToList();
UpdateTime = legacy.UpdateTime;
}
public FeedGroup2(FeedGroup legacy)
{
Id = legacy.Id;
Label = legacy.Label;
_FeedSourceList = legacy.FeedSourceList.ToList();
FeedItems = new List<FeedItem>();
IsNeedRefresh = legacy.IsNeedRefresh;
_UpdateTime = legacy.UpdateTime;
_RefreshingLock = new SemaphoreSlim(1, 1);
}