crown-engine/samples/res/window.xml

<Window Name="mainWindow" Title="A Window">
  <StackLayout Margins="2, 0, 2, 0">
    <Button Name="btnQuit" OnClick="{Action QuitApplication}" DesiredSize="35, 15">
	  <Label Name="lblCaption" Text="Close" />
	</Button>
    <Button Name="btnNew" OnClick="{Action NewLibrary}" Margins="0, 15, 0, 0" DesiredSize="70, 20">
	  <Label Name="lblCaption" Text="New Library" />
	</Button>
  </StackLayout>
</Window>