WPF C# Tutorial

using System;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
    class MainClass: Window
    {
        LinearGradientBrush brush;
        [STAThread]
        public static void Main()
        {
            Application app = new Application();
            app.Run(new MainClass());
        }
        public MainClass()
        {
            Title = "title";
            Console.WriteLine(ActualWidth); 
            Console.WriteLine(SystemParameters.ResizeFrameVerticalBorderWidth);
            Console.WriteLine(ActualHeight );
            Console.WriteLine(SystemParameters.ResizeFrameHorizontalBorderHeight );
            Console.WriteLine(SystemParameters.CaptionHeight);
        }
    }