Bind current time to Button
<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"> <StackPanel Width="200"> <Button Content="{x:Static s:DateTime.Now}" HorizontalAlignment="Center" /> </StackPanel> </Page>