ShrlAlgoToolkit/WPFluent/Converters/MathRoundConverter.cs

using System;
using System.Linq;
using System.Windows.Data;

namespace WPFluent.Converters;

public class MathRoundConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        var d = (double)value;
        return Math.Round(d, MidpointRounding.AwayFromZero);
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        var str = value.ToString();
        if(double.TryParse(str, out var d))
        {
            return d;
        }
        return Binding.DoNothing;
    }
}