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Tutorials say to use something like this:
XAML
<Window.Background>
  <ImageBrush ImageSource="background.jpg" Stretch="Fill" />
</Window.Background>


But when I do this, i get an error:
"The property Background is set multiple times"

Removing Background property in <window>
Background="{DynamicResource MaterialDesignPaper}"

gives new error:
"An attribute name is missing"

Which successfully stops me from setting the background. Is there any bypass for these errors?

What I have tried:

the things mentioned in the window above
Posted
Updated 27-Feb-21 9:09am
Comments
[no name] 27-Feb-21 11:16am    
I guess you'll have to show "all" your XAML to prove it's not "set multiple times".

1 solution

Try creating an ImageBrush in the Window.Resources, and set Window.Background to the resource.

XML
<Window x:Class="WpfBackgroundImg.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
		Background="{DynamicResource backgroundImage}"
        Title="MainWindow" Height="450" Width="800">
	<Window.Resources>

		<ImageSource x:Key="imgSource">image_resource.jpg</ImageSource>
		<ImageBrush x:Key="backgroundImage" ImageSource="{DynamicResource imgSource}" Opacity="0.3"></ImageBrush>

	</Window.Resources>
    <Grid>
    </Grid>
</Window>
 
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v3
Comments
Member 14111219 3-Mar-23 16:05pm    
Hello,
Both of these methods work for me, but neither embeds the jpg into the exe as a resource. Is there a way I can just distribute the exe with the jpg embedded?
Thanks!

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