public DanhSachThietBi PhanLoai_ThietBi(DanhSachThietBi DS, int loai)
{
DanhSachThietBi kq = new DanhSachThietBi();
foreach (var item in DS.DS)
{
switch ((PhanLoai)loai)
{
case PhanLoai.MayTinh:
if (item is MayTinh)
{
kq.Them(item);
}
break;
case PhanLoai.MayAnh:
if (item is MayAnh)
{
kq.Them(item);
}
break;
case PhanLoai.DienThoai:
if (item is DienThoai)
{
kq.Them(item);
}
break;
default:
break;
}
}
return(kq);
}
public DanhSachThietBi Cau1_Tim_DienThoai_It_CPU(DanhSachThietBi a)
{
DanhSachThietBi kq = new DanhSachThietBi();
foreach (var item in a.DS)
{
DienThoai t = (DienThoai)item;
foreach (var lk in t.DS_LK)
{
if (lk is CPU && lk.SoLuong == 1)
{
kq.Them(item);
}
}
}
return(kq);
}
