Re: Listing Keys under a registry HIVE

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#7784

From: Remy Lebeau (TeamB)
Date: Sat, 18 Dec 2004 22:50

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"Maurice Anderson" <mauriceanderson@hotmail.com> wrote in message
news:41c48e73$1@newsgroups.borland.com...

> For example if I wanted to open HKEY_LOCAL_MACHINE\Software
> I would have to use both HKEY_LOCAL_MACHINE and Software as:
>
>     RegOpenKeyEx(HKEY_LOCAL_MACHINE, Software ...
>
> Then from there I could even enumerate the subkeys under Software.
>
> But my question is, how do I open HKEY_LOCAL_MACHINE so I
> could enumerate the keys under it?

Specify an empty key so you are opening the root hive itself:

    RegOpenKeyEx(HKEY_LOCAL_MACHINE, "", ...)

Or

    RegOpenKeyEx(HKEY_LOCAL_MACHINE, NULL, ...)

The documentation for RegOpenKeyEx() says the following:

    lpSubKey
    Points to a null-terminated string containing the name of the subkey to
open. If this parameter is NULL or a pointer to an empty string, the
function will open a new handle of the key identified by the hKey parameter.


Gambit

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Subject: Re: Listing Keys under a registry HIVE
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