About Dialog - Font Properties on Root
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" Title="About WPF" SizeToContent="WidthAndHeight" FontSize="30" FontStyle="Italic" Background="OrangeRed"> <StackPanel> <Label FontWeight="Bold" FontSize="20" Foreground="White"> WPF Version </Label> <Label>2010</Label> <Label>Installed Dll:</Label> <ListBox> <ListBoxItem>1</ListBoxItem> <ListBoxItem>2</ListBoxItem> </ListBox> <StackPanel Orientation="Horizontal" HorizontalAlignment="Center"> <Button MinWidth="75" Margin="10">Help</Button> <Button MinWidth="75" Margin="10">OK</Button> </StackPanel> <StatusBar>You have successfully registered this product.</StatusBar> </StackPanel> </Window>