һVistual Studioеʹ÷
1. ½һC++
2. ɵstdfax.hͷļеdllļ
   #include "usb_relay_device.h"
   #pragma comment(lib, "usb_relay_device.lib")
3. usb_relay_device.dllӦóĿ¼

⺯ʹ÷
1. usb_relay_init()ʼ
2. usb_relay_device_enumerate()Ҳ뵽еUSB̵ģ
3. usb_relay_device_open()Ҫ豸; usb_relay_device_open_with_serial_number() ָкŵ豸
4. 
usb_relay_device_open_one_relay_channel()Դĳ·̵
usb_relay_device_open_all_relay_channel()Դм̵
usb_relay_device_close_one_relay_channel()Թرĳ·̵
usb_relay_device_close_all_relay_channel()Թرм̵
5. usb_relay_device_free_enumerate ͷڴ
6. usb_relay_exit ͷڴ

