<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="Microsoft.Samples.Graphics.RectangleExample" WindowTitle="Example"> <Canvas> <Ellipse Width="50" Height="50" Fill="Blue" Canvas.Left="135" Canvas.Top="25"/> </Canvas> </Page>