program-to-program communication
5.This paper discusses how to develop the method of the OOP serial communication component under windows95 and NT by delphi3.0. It supplies original program and makes it quite convenient to program the software of serial communication of control in delphi. We can educe the method enhancing the ability of developing the program by expanding component of delphi.
6.This paper introduces a kind of method of serial and parallel communication using VB6.0 and VC++6.0 to program DLL in PC,thus realized serial and parallel communication with the relevant program presented.
7.At the same time, author also has made use of VC program language to design the communication program of top computer.

