Proportional Tiles (no stretch)
<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> <TextBlock Grid.Row="2" Margin="3"> Proportional Tiles<LineBreak></LineBreak>(no stretch) </TextBlock> <Rectangle Grid.Row="2" Grid.Column="1" Stroke="Black"> <Rectangle.Fill> <ImageBrush ImageSource="c:\image.jpg" TileMode="Tile" Stretch="None" Viewport="0 0 0.2 0.2"></ImageBrush> </Rectangle.Fill> </Rectangle> </Canvas> </Page>