public void TestCollections()
{
var numbers = new EditableCollection <int>();
var results = new EditableCollection <int>();
using (results.SyncWith(numbers, x => x))
{
var viewableResults = results.AsViewableCollection();
// when doing more than one change:
// use beginupdate/endupdate to reduce syncing events
numbers.BeginUpdate();
try
{
numbers.Add(4);
numbers.Add(7);
}
finally
{
numbers.EndUpdate();
}
// Magically results (x) are already added to the Results list
CollectionAssert.AreEqual(numbers, viewableResults);
// You can't add a result to the public Results list
// Results.Add(17);
// again: change source collection:
numbers.Add(8);
// synced results collection is already updated.
CollectionAssert.AreEqual(numbers, viewableResults);
}
}
public FilteredParentProvider(ModelMapper mapper)
{
var defaultParentProvider = new DefaultParentProvider(mapper);
var children = defaultParentProvider.Childs;
if (children != null)
{
var collection = new EditableCollection <object>();
FSyncer = collection.SyncWith(children, CreateTargetItem, DestroyTargetItem, FilterPredicate);
Childs = collection.AsViewableCollection();
}
}