using System.Globalization;
using System.Windows.Controls;

namespace Szmedi.Toolkit.Assists
{
    public class DoubleValidationRule : ValidationRule
    {
        public override ValidationResult Validate(object value, CultureInfo cultureInfo)
        {
            return double.TryParse((value ?? string.Empty).ToString(), out _)
                ? ValidationResult.ValidResult
                : new ValidationResult(false, "输入数值有误。");
        }
    }
}