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Article #1882

Re: problems of saving a registry key to a file

#1882
From: Remy Lebeau (TeamB)
Date: Tue, 29 May 2007 19:59
39 lines
2098 bytes
"han" <hanzhangusa@yahoo.com> wrote in message
news:465c84a0$1@newsgroups.borland.com...

> I tried using GetLastError(), it says the "the Operation completed
> successfully". It is so strange.

That means that GetLastError() is being cleared before SaveKey()
exits, probably by RegCloseKey().  So you will have to do what dhoke
suggested in the .ide newsgroup - use the Win32 API directly instead
of TRegistry.  For example:

    HKEY hKey;
    LONG lResult;
    DWORD dwErr;

    lResult = RegOpenKeyEx(HKEY_CURRENT_USER,
"Software\\XXXCompany\\Settings\\ViewForms", 0, KEY_ALL_ACCESS,
&hKey);
    if( lResult == ERROR_SUCCESS )
    {
        lResult = RegSaveKey(hKey, "tempReg", NULL);
        if( lResult != ERROR_SUCCESS )
        {
            dwErr = GetLastError();
            Application->MessageBox(("save key error: " +
AnsiString(dwErr)).c_str(), NULL, MB_OK);
        }
        RegCloseKey(hKey);
    }
    else
    {
        dwErr = GetLastError();
        Application->MessageBox(("open key error: " +
AnsiString(dwErr)).c_str(), NULL, MB_OK);
    }


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Subject: Re: problems of saving a registry key to a file
Date: Tue, 29 May 2007 12:59:40 -0700
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