protected void UpdateInternal(IEnumerable <T> list)
{
lock (lockObject)
{
try
{
if (selectableSource != null && _listChangedHandler != null)
{
selectableSource.CollectionChanged -= _listChangedHandler;
selectableSource.ItemPropertyChanged -= _listItemChangedHandler;
}
ClearInternal();
if (list == null)
{
return;
}
foreach (T item in list)
{
InsertInternal(items.Count, item);
}
if (FilterQuery.Orders.Count > 0)
{
var newComparer = FilterQuery.GetComparer();
ApplySortInternal(newComparer);
}
else if (comparer != null)
{
ApplySortInternal(comparer);
}
}
finally
{
if (selectableSource != null && _listChangedHandler != null)
{
selectableSource.CollectionChanged += _listChangedHandler;
selectableSource.ItemPropertyChanged += _listItemChangedHandler;
}
}
}
}