ShrlAlgoToolkit/AntDesignWPF/Converters/CornerRadiusToDoubleConverter.cs

namespace AntDesignWPF.Converters;

using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
[ValueConversion(typeof(CornerRadius), typeof(double))]
public class CornerRadiusToDoubleConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value is not CornerRadius)
        {
            return default(double);
        }

        var cornerRadius = (CornerRadius)value;
        return Math.Max(cornerRadius.TopLeft, Math.Max(cornerRadius.TopRight, Math.Max(cornerRadius.BottomRight, cornerRadius.BottomLeft)));
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        return DependencyProperty.UnsetValue;
    }
}