void OnSourceCollectionChanged(IReadOnlyCollection <TSource> removedItems, IReadOnlyCollection <TSource> addedItems)
{
List <TResult> removedResults = new List <TResult>();
foreach (TSource removedSource in removedItems)
{
for (int i = 0; i < inputCollections.Count; i++)
{
var inputCollection = inputCollections[i];
if (EqualityComparer <TSource> .Default.Equals(inputCollection.source, removedSource))
{
inputCollection.AddResultsToList(removedResults);
inputCollection.UnregisterEvent();
inputCollections.RemoveAt(i);
break;
}
}
}
List <TResult> addedResults = new List <TResult>();
foreach (TSource addedSource in addedItems)
{
var inputCollection = new InputCollection(this, addedSource);
inputCollection.AddResultsToList(addedResults);
inputCollection.RegisterEvent();
inputCollections.Add(inputCollection);
}
OnCollectionChanged(removedResults, addedResults);
}
