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Reading Local Users Registry & Closing Registry Afterwards

Posted on 2004-09-06
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Last Modified: 2008-01-09
I want to read settings out of the other local users registry's on the local PC. I dont know if this is the best way but its the only way i've found so far and i cant seem to get regloadkey to work:

Firstly I run a shell command:
REG load HKLM\TempData "F:\Documents and Settings\Test\ntuser.dat"

This loads the user hive into a tempory key called TempData under HKLM

I can now read all the settings i want from it.

when I am finished with that users hive, i need to unload it to load another the shell command is:
reg unload HKLM\TempData

when I run this is returns:
Error:  Access is denied.

and I can not unload the hive until i quit VB6.

Perhaps I am not closing my keys properly? or somthing else?

The code i am using for reading the registry keys is:

Public Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, ByVal lpData As String, lpcbData As Long) As Long
Public Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" (ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Public Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Public Const REG_SZ = 1
Public Const LOCALMACHINE = &H80000002

nBufferData = Space(256)
RegOpenKey LOCALMACHINE, MainKey, nBufferKey
RegOpenKey nBufferKey, SubKey, nBufferSubKey
RegQueryValueEx nBufferSubKey, RegItem, 0, REG_SZ, nBufferData, Len(nBufferData)
RegCloseKey LOCALMACHINE


Any Ideas on any of this anyone?
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Question by:xizor
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Accepted Solution

by:
Mike Tomlinson earned 1000 total points
ID: 11989894
You are not closing the keys correctly...

This:

    RegCloseKey LOCALMACHINE

should be:

    RegCloseKey nBufferKey
    RegCloseKey nBufferSubKey

Regards,

Idle_Mind
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