protected void AddToModel()
{
bool[] add = new bool[designCombinations.Count];
for (int i = 0; i < designCombinations.Count; i++)
add[i] = true;
for (int i = 0; i < designCombinations.Count; i++)
foreach (AbstractCase ac in Model.Instance.AbstractCases)
if (ac.Name.Equals(designCombinations[i].Name))
add[i] = false;
for (int i = 0; i < designCombinations.Count; i++)
if (add[i])
Model.Instance.AbstractCases.Add(designCombinations[i]);
}