37.wpf程式設計指南 GradientStops 雨後彩虹

 

using System;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
namespace SayHello
{
 public  class FollowTheRainBow:Window
 {
 
       [STAThread]
     public static void Main()
     {
         Application app=new Application();
         app.Run(new FollowTheRainBow());
     }
     public FollowTheRainBow()
     {
         Title = "FollowTheRainBow";
         LinearGradientBrush brush=new LinearGradientBrush();
         brush.StartPoint = new Point(0, 0);
         brush.EndPoint = new Point(1, 0);
         Background = brush;

         brush.GradientStops.Add(new GradientStop(Colors.Red, 0));
         brush.GradientStops.Add(new GradientStop(Colors.Orange, .17));
         brush.GradientStops.Add(new GradientStop(Colors.Yellow,.33));
         brush.GradientStops.Add(new GradientStop(Colors.Green,.5));
         brush.GradientStops.Add(new GradientStop(Colors.Blue, .67));
         brush.GradientStops.Add(new GradientStop(Colors.Indigo, .84));
         brush.GradientStops.Add(new GradientStop(Colors.Violet, 1));
     }
 }
}