public static uint GetSignalQuality(Guid gg)
        {

            UInt32 dwSize = 0;
            IntPtr ppData = IntPtr.Zero;
            IntPtr ppChannel = IntPtr.Zero;
            WLAN_OPCODE_VALUE_TYPE pOpcodeValueType;

            if (WlanQueryInterface(m_pClientHandle, ref gg,   WLAN_INTF_OPCODE.wlan_intf_opcode_current_connection, IntPtr.Zero, out dwSize, out ppData, out pOpcodeValueType) != ERROR_SUCCESS)
            {
                m_errorMessage = "Failed WlanQueryInterface() - Current  Connection Attributes";
                return 0;
            }

            if (ppData != IntPtr.Zero)
            {
                WLAN_CONNECTION_ATTRIBUTES connectionAttributes = new WLAN_CONNECTION_ATTRIBUTES(ppData);
                return connectionAttributes.wlanAssociationAttributes.wlanSignalQuality;

            }
            return 0;

           }