VB.Net sample desription:

(1) register RockeySmart.dll
(2) creat a project, and select reference option and then select com to load FeiTian lib.
(3) add following codes to the project

Imports System.Convert
Imports System.Runtime.InteropServices
Imports FeiTian

(4) creat ROCKEY object by:

Dim Rs As New CRockeySmart

please refer to Module1.vb.
