How do you completely remove the button border in wpf?

Question

I'm trying to create a button that has an image in it and no border - just like the Firefox toolbar buttons before you hover over them and see the full button.

I've tried setting the BorderBrush to Transparent, BorderThickness to 0, and also tried BorderBrush="{x:Null}", but you can still see the outline of the button.

Answer 1

Try this

<Button BorderThickness="0"  
    Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" >...