EndSideClient/xiaozhi-sharp/XiaoZhiSharp_MauiApp/Converters/NullToBoolConverter.cs

using System.Globalization;

namespace XiaoZhiSharp_MauiApp.Converters
{
    public class NullToBoolConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value != null;
        }

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