#include <windows.h>
#include <ApiHooks.h>

ADDR_CONTENTS OrgGetVersion[1];

typedef DWORD (WINAPI* TGetVersion)(VOID);

DWORD WINAPI NewGetVersion(VOID) {
  MessageBoxA(NULL, "NewGetVersion", "Hooks2.dll", MB_OK);
  return(((TGetVersion)(OrgGetVersion[0].ReturnWhat))() +1);
}

API_UNHOOK UnhookGetVersion = {1, 0, OrgGetVersion};

__EXPORT API_HOOK ApiHookChain[2] = {
  {"KERNEL32.DLL", "GetVersion", HOOK_BY_NAME, MAIN_MODULE, &UnhookGetVersion, NewGetVersion}, 
  {HOOKS_END}
};