Exemplo n.º 1
0
 public int IssueBook(ref Book _book, Customer _person, ref IssueList _issueList)
 {
     _book.state = "Выдана";
     _issueList.AddListIssue(new Issue(this.name, _person.name, _person.num, DateTime.Now, _book.title));
     return(0);
 }