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c# - How to set a .PNG image as a TILED background image for my WPF Form?

I'm learning WPF on my own and I can't seem to find a way to make this work.

Here's my code:

<Window x:Class="Test.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Test" Height="600" Width="800" >
<DockPanel>
    <Menu DockPanel.Dock="Right"
          Height="30"              
          VerticalAlignment="Top"
          Background="#2E404B"
          BorderThickness="2.6">
        <Menu.BitmapEffect>
            <DropShadowBitmapEffect Direction="270" ShadowDepth="3" Color="#2B3841"/>
        </Menu.BitmapEffect>                          
    </Menu>
</DockPanel>

How can I make a tiled background image appear?

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by (71.8m points)

Set the ViewportUnits to absolute, which will allow you to define the pixel size of your image in the Viewport. In my example the image size is 32x32.

<Window.Background>
    <ImageBrush ImageSource="image.png" TileMode="Tile" ViewportUnits="Absolute" Viewport="0,0,32,32"/>
</Window.Background>

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