using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace XHandler.Controls
{
    public class PasswordBoxAttached
    {
        public static readonly DependencyProperty PasswordProperty = DependencyProperty.RegisterAttached("Password", typeof(string), typeof(PasswordBoxAttached), new PropertyMetadata("", PasswordPropertyChangedCallback));
        [AttachedPropertyBrowsableForType(typeof(System.Windows.Controls.PasswordBox))]
        public static string GetPassword(DependencyObject obj)
        {
            return (string)obj.GetValue(PasswordProperty);
        }
        public static void SetPassword(DependencyObject obj, string value)
        {
            obj.SetValue(PasswordProperty, value);
        }
        private static void PasswordPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (d is System.Windows.Controls.PasswordBox pb)
            {
                pb.Password = e.NewValue.ToString();
                pb.GetType().GetMethod("Select", BindingFlags.Instance | BindingFlags.NonPublic).Invoke(pb, new object[] { pb.Password.Length, 0 });
            }
        }
    }
}