private void onTappedButton(object sender, TappedRoutedEventArgs e)
{
CollectionEmptyToVisibilityConverter ol = new CollectionEmptyToVisibilityConverter();
var obj = ol.Convert(items, null, null, null);
if (CollectionsTools.IsNullOrEmpty(items))
{
}
}
public object Convert(object value, Type targetType, object parameter, string language)
{
var collectionEmpty = CollectionsTools.IsNullOrEmpty((ICollection <object>)value);
return(collectionEmpty ? Visibility.Visible : Visibility.Collapsed);
}
