void SetCredentials( String userName, String password );
userName String - user name for the archived web site. password String - password for the archived web site.
HRESULT SetCredential( [in] BSTR bstrUserName, [in] BSTR bstrPassword );
bstrUserName BSTR - user name for the archived web site. bstrPassword BSTR - password for the archived web site.
Returns S_OK if successful, or an error value otherwise.
void SetCredentials( const std::string& sUserName, const std::string& sPassword );
sUserName std::string - user name for the archived web site. sPassword std::string - password for the archived web site.
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