//0:Tang Theo Nguon
int SoSanh(ChuyenBay a, ChuyenBay b, KieuSapXep k)
{
switch (k)
{
case KieuSapXep.TangTheoNguon:
return(a.nguon.CompareTo(b.nguon));
case KieuSapXep.ChieuDaiNguon:
return(a.nguon.Length.CompareTo(b.nguon.Length));
case KieuSapXep.GiamTheoNguon:
return(-a.nguon.CompareTo(b.nguon));
case KieuSapXep.TangTheoDich:
return(a.dich.CompareTo(b.dich));
}
return(1);
}
public void Them(ChuyenBay p)
{
a[length] = new ChuyenBay();
a[length] = p;
length++;
}
