xy-amplify/nsis/skin/uninstallingpage.xml

<?xml version="1.0" encoding="utf-8"?>
<Windows>
<!-- 进度 -->
  <VerticalLayout >
    <VerticalLayout width="570" height="332" bkimage="file='uninstall_bg2.png'">
	<Control height="290" />
	<Slider name="slrUnInstProgress" padding="45,0,0,0" height="3" width="480" mouse="false" foreimage="uninst_process_top.png" bkimage="uninst_process_bottom.png" thumbsize="0,0" bkcolor="#FFDB4C4C"  />
	</VerticalLayout>
	</VerticalLayout>	
</Windows>