public static Relationships FromID(RelationshipGroup id)
{
Relationships retval = null;
if (_instanceCache == null)
{
_instanceCache = new Dictionary<RelationshipGroup, Relationships>();
}
else if (_instanceCache.TryGetValue(id, out retval))
{
return retval;
}
retval = new Relationships(id);
_instanceCache.Add(id, retval);
return retval;
}
