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SHEnumValue

DWORD SHEnumValue(
    HKEY hkey,
    DWORD dwIndex,
    LPTSTR pszValueName,
    LPDWORD pcchValueName,
    LPDWORD pdwType,
    LPVOID pvData,
    LPDWORD pcbData
    );

Enumerates the values of the specified open registry key.

• Returns ERROR_SUCCESS if successful, or a nonzero error code defined in Winerror.h otherwise. You can use the FormatMessage function with the FORMAT_MESSAGE_FROM_SYSTEM flag to get a textual description of the error.

hkey

Handle to the currently open key, or any of the following predefined values:

HKEY_CLASSES_ROOT

HKEY_CURRENT_CONFIG

HKEY_CURRENT_USER

HKEY_DYN_DATA (Windows 95 only)

HKEY_LOCAL_MACHINE

HKEY_PERFORMANCE_DATA (Windows NT only)

HKEY_USERS

dwIndex

Index of the value to retrieve. This parameter should be zero for the first call and incremented for subsequent calls.

pszValueName

Address of a character buffer that receives the enumerated value name. The size of this buffer is specified in pcchVlaueName.

pcchValueName

Address of a DWORD that, on entry, contains the size of the buffer at pszValueName. On exit, this contains the number of characters that were copied to pszValueName.

pdwType

Address of a DWORD that receives the data type of the value. These are the same values as those described under the lpType parameter of RegEnumValue.

pvData

Address of a buffer that receives the data for the value entry. The size of this buffer is specified in pcbData. This parameter can be NULL if the data is not required.

pcbData

Address of a DWORD that, on entry, contains the size of the buffer at pvData. On exit, this contains the number of bytes that were copied to pvData.

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