public void RemoveSet(Set set)
{
setGroupings.Remove(g => g.SetID == set.ID);
}
public SetGrouping(Set set, Group group)
{
Set = set;
SetID = set.ID;
Group = group;
GroupID = group.ID;
}
public void AddSet(Set set)
{
setGroupings.Add(new SetGrouping { GroupID = ID, SetID = set.ID, Group = this, Set = set });
}