public void PheDuyetHoatDong()
{
var thongBaoMoi = ThongBaoHoatDong.TaoThongBaoPheDuyet(this);
SinhVienTaoHd.ThongBaoHoatDong(thongBaoMoi);
DuocPheDuyet = true;
}
public void KetThucHoatDong()
{
var thongBaoMoi = ThongBaoHoatDong.TaoThongBaoKetThuc(this);
foreach (var sinhVien in DanhSachSinhVienTheoDoi.Select(td => td.SinhVien))
{
sinhVien.ThongBaoHoatDong(thongBaoMoi);
}
SinhVienTaoHd.ThongBaoHoatDong(thongBaoMoi);
DaKetThuc = true;
}
public void HuyHoatDong()
{
var thongBaoMoi = ThongBaoHoatDong.TaoThongBaoHuy(this);
foreach (var sinhVien in DanhSachSinhVienTheoDoi.Select(td => td.SinhVien))
{
sinhVien.ThongBaoHoatDong(thongBaoMoi);
}
SinhVienTaoHd.ThongBaoHoatDong(thongBaoMoi);
BiHuy = true;
DuocPheDuyet = true;
DanhSachSinhVienThamGia.Clear();
DanhSachSinhVienTheoDoi.Clear();
DanhSachChuongTrinhHoatDong.Clear();
SoLuotThamGia = 0;
}