How can I show/hide MahApps Flyout control? Now I have:
<controls:FlyoutsControl>
<controls:Flyout Header="Flyout" Position="Right" Width="200" IsOpen="True">
<TextBlock FontSize="24">Hello World</TextBlock>
</controls:Flyout>
</controls:FlyoutsControl>
And it's open, but when I click the button with arrow I can't show it again.