YuPu-OrpaonEMS/OrpaonEMS.App/PasswordBoxHelper.cs

using MaterialDesignThemes.Wpf;
using OrpaonEMS.App;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static OrpaonEMS.App.CANDrive.CAN;
using System.Windows.Controls;
using System.Windows.Media.Media3D;
using System.Windows;

namespace OrpaonEMS.App
{
    public static class PasswordBoxHelper
    {
        public static readonly DependencyProperty BoundPasswordProperty =
            DependencyProperty.RegisterAttached("BoundPassword",
                typeof(string), typeof(PasswordBoxHelper),
                new PropertyMetadata(string.Empty, OnBoundPasswordChanged));

        public static string GetBoundPassword(DependencyObject d)
        {
            return (string)d.GetValue(BoundPasswordProperty);
        }

        public static void SetBoundPassword(DependencyObject d, string value)
        {
            d.SetValue(BoundPasswordProperty, value);
        }

        private static void OnBoundPasswordChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (d is PasswordBox passwordBox)
            {
                passwordBox.PasswordChanged -= PasswordBox_PasswordChanged;
                if (!GetUpdatingPassword(passwordBox))
                {
                    passwordBox.Password = (string)e.NewValue;
                }
                passwordBox.PasswordChanged += PasswordBox_PasswordChanged;
            }
        }

        private static readonly DependencyProperty UpdatingPasswordProperty =
            DependencyProperty.RegisterAttached("UpdatingPassword", typeof(bool), typeof(PasswordBoxHelper), new PropertyMetadata(false));

        private static bool GetUpdatingPassword(DependencyObject d)
        {
            return (bool)d.GetValue(UpdatingPasswordProperty);
        }

        private static void SetUpdatingPassword(DependencyObject d, bool value)
        {
            d.SetValue(UpdatingPasswordProperty, value);
        }

        private static void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e)
        {
            if (sender is PasswordBox passwordBox)
            {
                SetUpdatingPassword(passwordBox, true);
                SetBoundPassword(passwordBox, passwordBox.Password);
                SetUpdatingPassword(passwordBox, false);
            }
        }
    }
}