private void RemoveItemFilterBlockviewModels(IEnumerable <IItemFilterBlockBase> itemFilterBlocks)
{
foreach (var itemFilterBlock in itemFilterBlocks)
{
var itemFilterBlockViewModel = ItemFilterBlockViewModels.FirstOrDefault(f => f.BaseBlock == itemFilterBlock);
if (itemFilterBlockViewModel == null)
{
throw new InvalidOperationException("Item Filter Block removed from model but does not exist in view model!");
}
ItemFilterBlockViewModels.Remove(itemFilterBlockViewModel);
if (SelectedBlockViewModel == itemFilterBlockViewModel)
{
SelectedBlockViewModel = null;
}
}
}
