private void fill_users(AutoSuggestBox sender, AutoSuggestBoxTextChangedEventArgs args)
{
if (args.Reason == AutoSuggestionBoxTextChangeReason.UserInput)
{
if (sender.Text.Length > 0)
sender.ItemsSource = GetSuggestions(sender.Text);
else
{
sender.ItemsSource = new[] {"No suggestions..."};
sender.Background = (sender.Text == "")
? new SolidColorBrush(Colors.PaleVioletRed)
: new SolidColorBrush(Colors.White);
sender.UpdateLayout();
}
}
}