Using common TextElement attached properties

image_pdfimage_print
   
       

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      HorizontalAlignment="Center" VerticalAlignment="Center" Width="160">

<Button TextElement.FontFamily="Parchment" TextElement.FontSize="80">
  Cancel
</Button>


</Window>