ToolBar in a ToolBarTray
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" HorizontalAlignment="Stretch" VerticalAlignment="Top"> <ToolBarTray> <ToolBar> <Button>Second toolbar</Button> <CheckBox IsChecked="True">Choice</CheckBox> </ToolBar> </ToolBarTray> </Page>