I looked what happens under debugger and it does find the key.
First call to RegQueryValueEx returns ERROR_SUCCESS but data size returened
( 2) is unexpected.
So problem is somewhere in getting value.
AFAIK this key is set by the system and user should not be able to change
it.
Alex
On Tue, Oct 1, 2013 at 6:26 PM, Tony Rietwyk <t...@rightsoft.com.au> wrote:
> Hi Alex, ****
>
> ** **
>
> It certainly looks like it should be found. It reminds of a security
> issue where similar looking unicode characters in folder names were used to
> scam people. Can you hex dump the characters of each entry in your loop?
> Maybe you have a virus that has done something similar? Or maybe there is
> an embedded NULL character? ****
>
> ** **
>
> Hope that helps, ****
>
> ** **
>
> Tony****
>
> ** **
>
> ** **
>
> ** **
>
> *Sent:* Tuesday, 1 October 2013 12:02 PM
>
> Just want to add that key is found,****
>
>
> qDebug() << "child keys = " << reg.childKeys();****
>
> result in****
>
>
> child keys = ("Common Administrative Tools", "Common AppData", "Common
> Desktop", "Common Documents", "Common Programs", "Common Start Menu",
> "Common Startup", "Common Templates", "CommonMusic", "CommonPictures",
> "CommonVideo", "OEM Links", "Personal")
>
> but value returned is empty string - different from visible in regedit ***
> *
>
> Alex****
>
> ** **
>
> On Mon, Sep 30, 2013 at 6:24 PM, Alex Malyushytskyy <alexmal...@gmail.com>
> wrote:****
>
> I found a problem with QSettings when trying to read from registry.
> I am using Qt 4.7.3 so I would appreciate if anybody can check with Qt 5
> at least. ****
>
> Problem:****
>
> QSettings fails to return specific key value (Common AppData) when read
> other keys at the same level just fine.****
>
> Key exists and verified with regedit.****
>
> Test case is below:****
>
>
> #include <QApplication>
> #include <QSettings>
> #include <QDebug>
>
> void ddd2();
>
> int main(int argc, char *argv[])
> {****
>
> // execute test and return****
>
> QApplication a(argc, argv);****
>
> ddd2();****
>
> ** **
>
> return 0;****
>
> }
>
> void ddd2()
> {
> QSettings
> reg("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell
> Folders",
> QSettings::NativeFormat);
> QString key;
> QString val;
>
> key = QString("Common AppData");
> val = QString ( reg.value(key).toString());
> qDebug() << "key: " << key << " value: " << val;
>
> key = QString("Common Desktop");
> val = QString ( reg.value(key).toString());
> qDebug() << "key: " << key << " value: " << val;
>
> key = QString("Common Documents");
> val = QString ( reg.value(key).toString());
> qDebug() << "key: " << key << " value: " << val;
> }****
>
> Output:****
>
>
> key: "Common AppData" value: ""
> key: "Common Desktop" value: "C:\Users\Public\Desktop"
> key: "Common Documents" value: "C:\Users\Public\Documents" ****
>
> Expected
> * WinXP: "c:\Documents and Settings\All Users\Application Data"
> * WinV/7/8: "c:\ProgramData"
>
> ****
>
> Regards,****
>
> Alex****
>
> ** **
>
> _______________________________________________
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>
>
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