using System;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
public class MainClass : Window
{
[STAThread]
public static void Main()
{
Application app = new Application();
app.Run(new MainClass());
}
public MainClass()
{
Title = "title";
RadialGradientBrush brush = new RadialGradientBrush();
Background = brush;
brush.GradientStops.Add(new GradientStop(Colors.Red, 0));
brush.GradientStops.Add(new GradientStop(Colors.Orange, .17));
}
}