public void Select(IEnumerable <ElementModelViewModel> elementModels)
{
List <LightViewModel> selectedModels = new List <LightViewModel>();
foreach (var elementModel in elementModels)
{
List <LightViewModel> lvmList;
if (_elementModelMap.TryGetValue(elementModel.ElementModel.Id, out lvmList))
{
foreach (var lightViewModel in lvmList)
{
if (!lightViewModel.IsSelected)
{
lightViewModel.IsSelected = true;
selectedModels.Add(lightViewModel);
}
}
}
}
SelectedItems.AddItems(selectedModels);
}