public void Add(Scheme scheme)
        {
            if (!Schemes.ContainsKey(scheme))
            {
                var history = new History(scheme);

                Schemes.Add(scheme, history);
                History.Add(history);
            }
            else
            {
                Schemes[scheme].Activations++;
            }

            SerializeSchemesHistory();
        }
 public History(Scheme scheme)
 {
     Scheme      = scheme;
     Activations = 1;
 }
 public History(Scheme scheme)
 {
     Scheme = scheme;
     Activations = 1;
 }