private ActivityListAggregateRoot(Guid activityListId) : this()
{
var createdEvent = new ActivityListCreated(activityListId);
this.Apply(createdEvent);
this.RaiseEvent(new ActivityListCreated(activityListId));
}
private void Apply(ActivityListCreated obj)
{
this.Activities = new Dictionary <string, Guid>();
this.AggregateId = obj.AggregateId;
}