better-genshin-impact/BetterGenshinImpact/View/Converters/NotNullConverter.cs

using System;
using System.Globalization;
using System.Windows.Data;

namespace BetterGenshinImpact.View.Converters
{
    public class NotNullConverter : IValueConverter
    {
        public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
        {
            if (value is string str)
            {
                return !string.IsNullOrWhiteSpace(str);
            }
            
            return value != null;
        }

        public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}