Introduction - If you have any usage issues, please Google them yourself
VB does not provide direct access to low-level hardware control and methods, once to the right to access the hardware of interest to programmers inconvenience. At present we can search from the Internet to support low-level hardware access DLL and ActiveX controls, through them, can read and write memory unit, port, and even control the hardware interrupt. The following by two examples the use of DLL and ActiveX controls on low-level hardware description VB Access Control