Returns a list of subkeys or value names for the specified registry key
(vl-registry-descendents reg-key [val-names])
Arguments
A string specifying a Windows registry key.
A string containing the values for the reg-key entry.
If val-names is supplied and is not nil, the specified value names will be listed from the registry. If val-name is absent or nil, the function displays all subkeys of reg-key.
Return Values
A list of strings, if successful; otherwise nil.
Examples
(vl-registry-descendents "HKEY_LOCAL_MACHINE\\SOFTWARE")
("Description" "Program Groups" "ORACLE" "ODBC" "Netscape" "Microsoft")