CODEWITHSUNDEEP
c++winapiregistry
user180574
user180574

Reputation: 6094

RegGetValue cannot find name under current user?

I am testing this function ::RegGetValue. The code below returns success.

DWORD data_size = 0;
LONG result = ::RegGetValue(HKEY_LOCAL_MACHINE,
                            _T("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\App Paths\\OUTLOOK.EXE"),
                            _T("Path"),
                            RRF_RT_REG_SZ, 
                            NULL, NULL,
                            &data_size);

But if I try to find different entry under current user, it fails even though the entry does exist.

DWORD data_size = 0;
LONG result = ::RegGetValue(HKEY_CURRENT_USER,
                            _T("Software\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_BROWSER_EMULATION"),
                            _T("OUTLOOK.EXE"),
                            RRF_RT_REG_SZ, 
                            NULL, NULL,
                            &data_size);

Upvotes: 1

Views: 171

Answers (1)

Remy Lebeau
Remy Lebeau

Reputation: 596703

All of the values in the FEATURE_BROWSER_EMULATION key are DWORD values, not String values, per MSDN documentation:

Internet Feature Controls (B..C): Browser Emulation

By specifying RRF_RT_REG_SZ, you are telling RegGetValue() to read only String values. That makes sense when reading a "Path" value from the App Paths key, but when reading from the FEATURE_BROWSER_EMULATION key you need to specify RRF_RT_REG_DWORD instead.

Upvotes: 2

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