This method deletes a linked list of PNDEVICE structures.
HRESULT DeleteDeviceList ( pPNDEVICE pPNDeviceHead );
S_OK indicates success. If an error occurs, the appropriate HRESULT value is returned.
After opening the selected Positioning and Navigation device, delete the linked list of PNDEVICE structures that you retrieved with the FindDevices method by calling the DeleteDeviceList method.