BackgroundBuilder/Services/MessageService.cs

using System.Windows;

namespace BackgroundBuilder.Services
{
    public class MessageService : IMessageService
    {
        public void Show(string message, string caption, MessageBoxButton buttons, MessageBoxImage icon)
            => MessageBox.Show(message, caption, buttons, icon);

        public MessageBoxResult ShowConfirm(string message, string caption, MessageBoxButton buttons, MessageBoxImage icon)
            => MessageBox.Show(message, caption, buttons, icon);
    }
}