using System.Globalization; using Avalonia.Data.Converters; namespace DispenserCommon.Converter; public class StringNullOrEmptyToVisibilityConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { var str = value as string; return string.IsNullOrEmpty(str); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } }