public static void ShowConfirmation(Window owner, string content)
        {
            var dataContext  = new MyMessageBoxViewModel(0, content);
            var myMessageBox = new MyMessageBoxView
            {
                Owner       = owner,
                DataContext = dataContext
            };

            myMessageBox.ShowDialog();
        }
        public static void ShowChosen(Window owner, string content, MyMessageBoxViewModel.Choose action)
        {
            var dataContext  = new MyMessageBoxViewModel(1, content);
            var myMessageBox = new MyMessageBoxView
            {
                Owner       = owner,
                DataContext = dataContext
            };

            dataContext.ChooseHandler += action;
            myMessageBox.ShowDialog();
        }