protected override void OnTextChanged(TextChangedEventArgs e)
{
base.OnTextChanged(e);
if (!_fuzzyEnable)
{
return;
}
_keySelectedIndex = -1;
if (Text.Length < MinTextLenght)
{
_listBoxFilter.ItemsSource = null;
_popupFilter.IsOpen = false;
return;
}
FuzzySearch?.BeginInvoke(Text, o =>
{
Dispatcher.BeginInvoke(new Action(() =>
{
var result = FuzzySearch.EndInvoke(o);
if (result.Item1 == Text)
{
var source = result.Item2 as IEnumerable;
_listBoxFilter.ItemsSource = source;
_popupFilter.IsOpen = source != null;
}
}));
}, null);
}