RegCreateKeyEx

function RegCreateKeyEx(

  hKey: HKEY;

  lpSubKey: LPCTSTR;

  Reserved: DWORD;

  lpClass: LPTSTR;

  dwOptions: DWORD;

  samDesired: REGSAM;

  lpSecurityAttributes: LPSECURITY_ATTRIBUTES;

  var phkResult: HKEY;

  lpdwDisposition: LPDWORD

):LONG;