public void OnItemSourceChanged(IList oldValue, IList newValue)
{
m_listType = null;
Type oldType = oldValue != null?oldValue.GetType() : null;
var oldListType = oldType != null?oldType.GetGenericArguments()[0].GetGenericArguments()[0] : null;
if (newValue != null)
{
Items.Clear();
foreach (IList item in newValue)
{
Items.Add((IList)CreateClone(item));
}
Type type = newValue.GetType();
m_listType = type.GetGenericArguments()[0].GetGenericArguments()[0];
if (!NewItemTypes.Contains(m_listType))
{
NewItemTypes.Insert(0, m_listType);
}
if (oldListType != null && m_listType != oldListType && !m_listType.IsSubclassOf(oldListType))
{
NewItemTypes.Remove(oldListType);
}
}
}
protected virtual void ItemsSourceTypeChanged(Type oldValue, Type newValue)
{
Type listType = GetListItemType(newValue);
if (!NewItemTypes.Contains(listType))
{
NewItemTypes.Add(listType);
}
}