HorizontalAlignment="Center"
Content="Menu"
Padding="16,4">
<Button.Flyout>
<MenuFlyout Placement="Bottom">
<MenuFlyoutItem Text="Save" />
<MenuFlyoutItem Text="Clear" />
<MenuFlyoutSeparator />
<MenuFlyoutSubItem Text="Share to">
<MenuFlyoutItem Text="Facebook" />
<MenuFlyoutItem Text="Twitter" />
<MenuFlyoutItem Text="LinkedIn" />
</MenuFlyoutSubItem>
</MenuFlyout>
</Button.Flyout>
</Button>