CentralizedControl/HandyControl/HandyControl_Shared/Tools/Converter/Double2GridLengthConverter.cs

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

namespace HandyControl.Tools.Converter;

public class Double2GridLengthConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value is double doubleValue)
        {
            if (double.IsNaN(doubleValue) || double.IsInfinity(doubleValue))
            {
                return new GridLength(1.0, GridUnitType.Star);
            }
            return new GridLength(doubleValue);
        }

        return new GridLength(0);
    }

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