Error with RegOpenKeyEx

Question

I\'m using Code::blocks to write a program that changes the registry, but when I call

RegOpenKeyEx (HKEY_LOCAL_MACHINE,
              \"SOFTWARE\\\\Microsoft\\\\         


        

Answer 1

You need to define a Windows target version of XP or greater to have access to this. You are probably targeting Windows 2000.

In targetver.h (or wherever you define _WIN32_WINNT) you need this:

#define _WIN32_WINNT 0x0501 //targets XP or later