CRegKey::QueryValue
LONG QueryValue( DWORD& dwValue**, LPCTSTR** lpszValueName );
LONG QueryValue( LPTSTR szValue**, LPCTSTR** lpszValueName**, DWORD*** pdwCount )
Return Value
If successful, returns ERROR_SUCCESS; otherwise, an error value.
Parameters
dwValue
[out] The value field’s numerical data.
lpszValueName
[in] Specifies the value field to be queried.
szValue
[out] The value field’s string data.
pdwCount
[in, out] The size of the string data. Its value is initially set to the size of the szValue buffer.
Remarks
Retrieves the data for the specified value field of m_hKey. The first version of QueryValue allows you to retrieve numerical data. The second version allows you to retrieve string data.