Compile c++ DLL to 64 bit using VS 2003

HI, Do the following things to compile it to 64-Bit application ———————————————————– 1) Open from the start menu "Microsoft Platform SDK for Windows Server 2003 SP1\Open Build Environment Window\Windows Server 2003 64-bit Build Environment\ Set Win Svr 2003 x64 Build Env (Retail)"(if didn’t find this, please install this SDK) 2) In the command line prompt [...]