ListDifference NotifyDeletion(ListDifference diff, TResult[] items)
{
if (items.Length == 1)
{
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, items[0], diff.NewIndex));
}
else
{
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, items, diff.NewIndex));
}
return(diff);
}
ListDifference NotifyInsertion(ListDifference diff, TResult[] items)
{
int index = diff.NewIndex;
foreach (var item in items)
{
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index));
++index;
}
/*
* if (items.Length == 1)
* {
* OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, items[0], diff.NewIndex));
* }
* else
* {
* OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, items, diff.NewIndex));
* }*/
return(diff);
}