bool GetKeyInfo(size_t *pnSubKeys, // number of subkeys
size_t *pnMaxKeyLen, // max len of subkey name
size_t *pnValues, // number of values
bool GetKeyInfo(size_t *pnSubKeys, // number of subkeys
size_t *pnMaxKeyLen, // max len of subkey name
size_t *pnValues, // number of values