public override int GetHashCode()
{
int hashId_l1 = Id_l1.GetHashCode();
int hashId_l2 = Id_l2.GetHashCode();
return(hashId_l1 ^ hashId_l2);
}
public bool Equals(Building other)
{
if (Object.ReferenceEquals(other, null))
{
return(false);
}
if (Object.ReferenceEquals(this, other))
{
return(true);
}
return(Id_l1.Equals(other.Id_l1) && Id_l2.Equals(other.Id_l2));
}