protected void AddPageCash(PageCash pageCash) { lock (PageCash) { PageCash.Add(pageCash); } }
public virtual PageCash GetCash(uint numberPage) { Valid(numberPage); if (PageCash.Any(page => page.NumberPage == numberPage)) { return(PageCash.Find(page => page.NumberPage == numberPage)); } PageCash pageCash = new PageCash(displayApp.GetImageDisplay(), numberPage, Extension.Extension.GetTimeSpanNow()); AddPageCash(pageCash); return(pageCash); }