@echo off

if "%b2eprogramfilename%"==""  (
	echo To see any results you need to convert this file into an exe
	pause
	goto :eof
)

%extd% /inputbox "Uppercase" "Enter a lowercase string in the textbox below" "string"
if "%result%"=="" (exit) else (set string="%result%")
%extd% /uppercase  %string%
if "%result%"=="" (exit) else (set upper="%result%")
%extd% /messagebox Result %upper%