Introduction - If you have any usage issues, please Google them yourself
A self-designed control of PC parallel port communication is introduced in this paper.Taking advantage of the MFC ActiveX technology, it is developed in Visual C++ and offset the scarcity of the control of PC parellel paort communication. An example of frequency measurement shows the detail procedure and application of the control.
Packet : 45666025control_development_of_parallel_port_communication_by_activex.rar filelist
用ActiVeX技术开发微机并行口通信控件.pdf