Fill rectangle with UniformToFill ImageBrush
<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPF" Height="300" Width="300"> <Canvas Margin="5"> <!--Fill rectangle with UniformToFill ImageBrush--> <Rectangle Height="180" Width="50" Canvas.Top="5" Canvas.Left="5" Stroke="Black" StrokeThickness="1" > <Rectangle.Fill> <ImageBrush ImageSource="c:\image.jpg" Stretch="UniformToFill"/> </Rectangle.Fill> </Rectangle> </Canvas> </Window>