private void EnsureGroupsExists(TSource element)
{
var key = _keySelectorCompiled(element);
var groupExists = FindGroup(key, ResultCollection);
if (!groupExists)
{
IBindableGrouping <TKey, TElement> newGroup = new BindableGrouping <TKey, TElement>(key, SourceCollection.Where(e => CompareKeys(_keySelectorCompiled(e), key)).DependsOnExpression(_keySelector.Body, _keySelector.Parameters[0]).Select(_elementSelector), Dispatcher);
newGroup.CollectionChanged += Group_CollectionChanged;
ResultCollection.Add(newGroup);
}
}
private void EnsureGroupsExists(TSource element)
{
var key = _keySelectorCompiled(element);
if (FindGroup(key, ResultCollection))
{
return;
}
IBindableGrouping <TKey, TElement> bindableGrouping = new BindableGrouping <TKey, TElement>(key, (from e in SourceCollection
where CompareKeys(_keySelectorCompiled(e), key)
select e).WithDependencyExpression(_keySelector.Body, _keySelector.Parameters[0]).Select(_elementSelector), Dispatcher);
bindableGrouping.CollectionChanged += Group_CollectionChanged;
ResultCollection.Add(bindableGrouping);
}
