public override int GetHashCode()
{
unchecked
{
return((Staff.GetHashCode() * 397) ^ Time.GetHashCode());
}
}
public override int GetHashCode()
{
return((_staff == null ? 0 : _staff.GetHashCode()) ^
(_group == null ? 0 : _group.GetHashCode()));
}
public override int GetHashCode()
{
return(_staff.GetHashCode());
}