WPF C# Tutorial

  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="Rectangles" Height="340" Width="200">
  
    
              Margin="10 10 10 5" />
              Stroke="Black" />
              Margin="10 10 10 5" />
              Fill="LightGray" Stroke="Black" />
              Margin="10 10 10 5" />
              Fill="LightGray" Stroke="Black" />