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

namespace PortProxyTool.Wpf.Rules;

public class PortValidationRule : ValidationRule
{
    public override ValidationResult Validate(object? value, CultureInfo cultureInfo)
    {
        if (value is not string strValue) return new ValidationResult(false, "请输入有效的数字");
        if (string.IsNullOrEmpty(strValue) || ushort.TryParse(strValue, out _)) return ValidationResult.ValidResult;
        return new ValidationResult(false, "请输入有效的数字");
    }
}