public static int SortAmount(Tovar x, Tovar y) { int ret = x.amount.CompareTo(y.amount); if (ret != 0) { return(ret); } return(x.amount.CompareTo(y.amount)); }
public static int SortDate(Tovar x, Tovar y) { int ret = x.name.CompareTo(y.date); if (ret != 0) { return(ret); } return(x.date.CompareTo(y.date)); }
public static int SortPrice(Tovar x, Tovar y) { int ret = x.price.CompareTo(y.price); if (ret != 0) { return(ret); } return(x.price.CompareTo(y.price)); }