StTest/MyTests/ConfirmationWindow.xaml.cs

using System.Windows;

namespace MyTests
{
    public partial class ConfirmationWindow : Window
    {
        public bool answer;
        public ConfirmationWindow(bool _answer = false)
        {
            InitializeComponent();
            answer = _answer;
        }
        private void YesButton(object sender, RoutedEventArgs e)
        {
            answer = true;
            this.Close();
        }
        private void NoButton(object sender, RoutedEventArgs e)
        {
            answer = false;
            this.Close();
        }
    }
}