Using RegQueryValueEx to Read Registry Information : Registry « Windows API « VBA / Excel / Access / Word

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VBA / Excel / Access / Word » Windows API » Registry 
Using RegQueryValueEx to Read Registry Information
 
Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" (ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, lpType As Long, lpData As Any, lpcbData As LongAs Long
Declare Function RegOpenKeyEx Lib "advapi32.dll" Alias "RegOpenKeyExA" (ByVal hKey As Long, ByVal lpSubKey As String, ByVal ulOptions As Long, ByVal samDesired As Long, phkResult As LongAs Long
Public Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As LongAs Long

Sub cmdRead()
    Dim strValue As String * 256
    Dim lngRetval As Long
    Dim lngLength As Long
    Dim lngKey As Long

    If RegOpenKeyEx(HKEY_CURRENT_USER, "Your_Key_Name"0, KEY_QUERY_VALUE, lngKeyThen
    End If

    lngLength = 256

    'Retrieve the value of the key
    lngRetval = RegQueryValueEx_
        lngKey, "YourValueName"00, ByVal strValue, lngLength)
    MsgBox Left(strValue, lngLength)

    'Close the key
    RegCloseKey (lngKey)
End Sub

 
Related examples in the same category
1. Working with the Registry Using the VBA Registry Functions
2. Reads a value from the Windows Registry
3. Write a value from the Windows Registry
4. Using RegSetValueEx to Write Information to the Registry
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