Using Win32 functions in Visual FoxPro Image Gallery
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Enumerating the subkeys of a user-specific key

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More code examples    Listed functions    Add comment     W32 Constants      Translate this page Printer friendly version of this code sample
#DEFINE ERROR_SUCCESS             0
#DEFINE KEY_READ             131097
#DEFINE KEY_ALL_ACCESS       983103

* SHREGENUM_FLAGS
#DEFINE SHREGENUM_DEFAULT   0
#DEFINE SHREGENUM_HKCU      1  && current user
#DEFINE SHREGENUM_HKLM     16  && local machine
#DEFINE SHREGENUM_BOTH     17

DO decl

hKey = 0
lnResult = SHRegOpenUSKey ("Software", KEY_READ, 0, @hKey, 0)

IF lnResult <> ERROR_SUCCESS
    * 127 = ERROR_PROC_NOT_FOUND - means that path not found
    ? "Error code:", GetLastError()
    RETURN
ENDIF

CREATE CURSOR cs (keyname C(100))
dwIndex = 0

DO WHILE .T.
    lnNameSize = 250
    lcName = Repli (Chr(0), lnNameSize)

    IF SHRegEnumUSKey (hKey, dwIndex,;
        @lcName, @lnNameSize, SHREGENUM_HKCU) = ERROR_SUCCESS

        INSERT INTO cs VALUES (Left(lcName, lnNameSize))
        dwIndex = dwIndex + 1
    ELSE
        EXIT
    ENDIF
ENDDO
= SHRegCloseUSKey (hKey)

SELECT cs
INDEX ON keyname TAG keyname
GO TOP
BROW NORMAL NOWAIT
* end of main

PROCEDURE  decl
    DECLARE INTEGER GetLastError IN kernel32

    DECLARE INTEGER SHRegOpenUSKey IN shlwapi;
        STRING    pszPath,;
        INTEGER   samDesired,;
        INTEGER   hRelativeUSKey,;
        INTEGER @ phNewUSKey,;
        SHORT     fIgnoreHKCU

    DECLARE INTEGER SHRegCloseUSKey IN shlwapi INTEGER hUSKey

    DECLARE INTEGER SHRegEnumUSKey IN shlwapi;
        INTEGER   hUSKey,;
        INTEGER   dwIndex,;
        STRING  @ pszName,;
        INTEGER @ pcchName,;
        INTEGER   enumRegFlags


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1455 bytes  
Created: 2001-09-02 12:00:00  
Modified: 2001-09-28 16:45:37  
Visits in 7 days: 137  
Listed functions:
GetLastError
SHRegCloseUSKey
SHRegEnumUSKey
SHRegOpenUSKey
Printer friendly API declarations
My comment:
Try some other path values, e.g. "Software\Microsoft"
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