public partial class MessageBoxOKCancel : Window
    {
        public MessageBoxOKCancel()
        {
            InitializeComponent();
        }
        public MessageBoxOKCancel(string message)
        {
            InitializeComponent();
            this.message.Text = message;
        }
        private void Confirm_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                this.DialogResult = true;
            }
            catch (Exception ex) { }
            this.Close();
        }
        private void Cancle_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                this.DialogResult = false;
            }
            catch (Exception ex) { }
            this.Close();
        }
    }

 public partial class MessageBoxOK : Window
    {
        public MessageBoxOK()
        {
            InitializeComponent();
        }
        public MessageBoxOK(string mess)
        {
            InitializeComponent();
            message.Text = mess;
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                this.DialogResult = false;
            }
            catch (Exception ex) { }
            this.Close();
        }
    }

private void Button_Click(object sender, RoutedEventArgs e)
        {
            //測試
            string display = this.textBox.Text;
            if (MyMessageBox.ShowDialog(display, MyMessageBox.OKCANCLE).Value == true)
            {
                MyMessageBox.Show("確認(rèn)");
            }
            else
            {
                MyMessageBox.Show("取消");
            }
        }

MyMessageBox.ShowDialog(display, MyMessageBox.OKCANCLE)；

MyMessageBox.Show("確認(rèn)");