protected override void OnReplace(BulkUpdateableCollection <T> collection, IReadOnlyList <T> items)
{
collection.Items.Clear();
foreach (var e in items)
{
collection.Items.Add(e);
}
collection.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
public override int RemoveAll(BulkUpdateableCollection <T> collection, Func <T, bool> predicate)
{
lock (((ICollection)collection).SyncRoot)
{
var c = 0;
for (var i = collection.Count - 1; i >= 0; i--)
{
if (predicate(collection[i]))
{
collection.Items.RemoveAt(i);
c++;
}
}
if (c > 0)
{
collection.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
return(c);
}
}
protected override void OnClear(BulkUpdateableCollection <T> collection)
{
collection.Clear();
collection.OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}