WPF C# Tutorial

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="SystemColorsAndBrushes_csharp.Window1"
    Title="System Colors" >
   
    
      
      
      
      
      
      
    
    
      
    
    
      
      
    
    

    
    
      
        
        
        
      

      
        
      

              HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Fill="Black"
        RadiusX="10" RadiusY="10" />
    
       
      
  

  
  


//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Data;
namespace SystemColorsAndBrushes_csharp
{
    public partial class Window1 : Window
    {
        public Window1() {
            InitializeComponent();
            System.Windows.Controls.TextBlock t = new System.Windows.Controls.TextBlock();
            t.Text = "System Color Gradient Examples";
            t.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
            t.FontWeight = System.Windows.FontWeights.Bold;
            gradientExamplePanel.Children.Add(t);
            t = new System.Windows.Controls.TextBlock();
            t.Text = "ControlDark to ControlLight";
            System.Windows.Shapes.Rectangle r = new System.Windows.Shapes.Rectangle();
            r.Fill = new System.Windows.Media.RadialGradientBrush(
                System.Windows.SystemColors.ControlDarkColor, System.Windows.SystemColors.ControlLightColor);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(r);
            t = new System.Windows.Controls.TextBlock();
            t.Text = "ControlDarkDark to ControlLightLight";
            r = new System.Windows.Shapes.Rectangle();
            r.Fill = new System.Windows.Media.LinearGradientBrush(System.Windows.SystemColors.ControlDarkDarkColor, System.Windows.SystemColors.ControlLightLightColor, 45);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(r);
            
            // Try it out on a button.
            t = new System.Windows.Controls.TextBlock();
            t.Text = "Desktop to AppWorkspace";
            System.Windows.Controls.Button b = new System.Windows.Controls.Button();
            b.Width = 120;
            b.Height = 20;
            b.Background = new System.Windows.Media.RadialGradientBrush(System.Windows.SystemColors.DesktopColor, System.Windows.SystemColors.AppWorkspaceColor);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(b);
            t = new System.Windows.Controls.TextBlock();
            t.Text = "Desktop to Control";
            b = new System.Windows.Controls.Button();
            b.Width = 120;
            b.Height = 20;
            b.Background = new System.Windows.Media.RadialGradientBrush(System.Windows.SystemColors.DesktopColor, System.Windows.SystemColors.ControlColor);
            gradientExamplePanel.Children.Add(t);
            gradientExamplePanel.Children.Add(b);
        }
    }
}