public ChangeTrackingHelper <T> GetChanges()
{
// 重建新的ChangeTrackingList
ChangeTrackingHelper <T> changes = new ChangeTrackingHelper <T>();
foreach (T existing in this)
{
if (existing.TrackingState != TrackingInfo.Unchanged)
{
changes.Add(existing);
}
}
// Append deleted items
foreach (T deleted in deletedItems)
{
changes.Add(deleted);
}
return(changes);
}
public ChangeTrackingList <T> GetChanges()
{
ChangeTrackingHelper <T> changes = changeTracker.GetChanges(); // Get just the changed items
return(new ChangeTrackingList <T>(changes));
}