<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib"> <Page.Resources> <Style TargetType="{x:Type Button}"> <Setter Property="HorizontalAlignment" Value="Center" /> <Setter Property="Margin" Value="12" /> <Setter Property="FontSize" Value="12pt" /> <Setter Property="Padding" Value="10" /> </Style> </Page.Resources> <StackPanel> <Button> <x:Static Member="s:DateTime.Now" /> </Button> </StackPanel> </Page>