v2rayN/v2rayN/v2rayN/Converters/DelayColorConverter.cs

using System.Windows.Data;
using System.Windows.Media;

namespace v2rayN.Converters
{
    public class DelayColorConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            int.TryParse(value.ToString(), out var delay);

            if (delay <= 0)
                return new SolidColorBrush(Colors.Red);
            if (delay <= 200)
                return new SolidColorBrush(Colors.Green);
            else
                return new SolidColorBrush(Colors.IndianRed);
        }

        public object? ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            return null;
        }
    }
}