petwash/PetWashControl/Views/CompletionDialog.xaml.cs

using System;
using System.Windows;
using System.Windows.Threading;

namespace PetWashControl.Views
{
    public partial class CompletionDialog : Window
    {
        private DispatcherTimer? _countdownTimer;
        private int _remainingSeconds = 30;

        public CompletionDialog()
        {
            InitializeComponent();
            StartCountdown();
        }

        private void StartCountdown()
        {
            _countdownTimer = new DispatcherTimer
            {
                Interval = TimeSpan.FromSeconds(1)
            };
            _countdownTimer.Tick += CountdownTimer_Tick;
            _countdownTimer.Start();
        }

        private void CountdownTimer_Tick(object? sender, EventArgs e)
        {
            _remainingSeconds--;
            
            if (_remainingSeconds > 0)
            {
                CountdownText.Text = $"{_remainingSeconds}秒后自动返回首页";
            }
            else
            {
                _countdownTimer?.Stop();
                DialogResult = true;
                Close();
            }
        }

        private void OkButton_Click(object sender, RoutedEventArgs e)
        {
            _countdownTimer?.Stop();
            DialogResult = true;
            Close();
        }

        protected override void OnClosed(EventArgs e)
        {
            _countdownTimer?.Stop();
            base.OnClosed(e);
        }
    }
}