void OnStopWordChanged()
{
var handler = StopWordChanged;
if (handler != null)
{
handler(StopWordText);
}
AddNew.OnCanExecuteChanged();
}
void UpdateSearchResults()
{
App.Current.Dispatcher.Invoke(() => _searchBox.Update());
IsNotEnoughtForName = _searchBox.State == SearchBoxState.NoResults && !IsValidName() && SearchText.Trim().Length > 0 ?
Visibility.Visible : Visibility.Collapsed;
AddNewVisibility = _searchBox.State == SearchBoxState.NoResults && IsValidName() ?
Visibility.Visible : Visibility.Collapsed;
TooManyResultsVisibility = _searchBox.State == SearchBoxState.TooMuchResults ?
Visibility.Visible : Visibility.Collapsed;
AddNew.OnCanExecuteChanged();
}