Graphics Silverlight

    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
  
    
      
        From sRGB value in the Color structure:
      
              Stroke="Blue" />
    

  

//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Media.Animation;
namespace SilverlightApplication3
{
  public partial class MainPage : UserControl
  {
        public MainPage()
        {
            InitializeComponent();
            SolidColorBrush brush = new SolidColorBrush();
            // From sRGB values in the Color strutcure: 
            brush = new SolidColorBrush(Color.FromArgb(100, 0, 0, 255));
            rect3.Fill = brush;
        }
    }
}