CreateObject_Act.cs

protected virtual Tuple<Activity, Boolean> CreateObject(Account account, IEnumerable<ActivityId> ancestorIds, String name, Object value)
{
    ActivityId id = ActivityId.Create(account.Id, ancestorIds, name, value);
    StorageObject obj;
    Boolean created = false;
    if ((obj = this.Load(id)) == null && !this.AddingObjects.TryGetValue(id, out obj))
    {
        obj = Activity.Create(account.Id, ancestorIds, name, value);
        this.AddingObjects.Add(obj.ObjectId, obj);
        obj.Context = this;
        created = true;
    }
    else if (obj.Context == null || obj.Context.IsDisposed)
    {
        obj.Context = this;
    }
    Activity activity = (Activity) obj;
    if (account.Activities.Contains(activity))
    {
        account.Activities.Add(activity);
    }
    return Tuple.Create(activity, created);
}