软plc梯形图

本文包括了界面的编写、串口通讯的实现、海量数据的存储和历史曲线的描绘等许多实用的功能-This includes the preparation of the interface, serial communication implementation, mass data storage and historical descriptions of curves and many other useful features

规则：只能在有纽扣的点穿线，且只能在水平方向或竖直方向穿 线。线可交叉，但有纽扣的点不能交叉连接。-rules : only when there is the point of threading button, and then only in the horizontal direction or vertical direction of threading. Cross-line, but the point Button can cross-connect.

所用技术：多线程 、异步通信时用到select模型、同时压缩包中还包含一些读取大文件的相关资料。启动该程序两次，一个作为发送端、一个作为接收端。文件接受时可以指定存储路径、也可以重命名。

VC++.net中在窗口中显示HTMLHelp并且定位的例子，利用系统API实现。可以F1显示，也可以点击问号或右键显示。-VC. Net in the window display and positioning HTMLHelp example, the use of system API. F1 can show that you can click on the question mark or right show.

托盘程序，自己写的，请多多指教，可以改进之处请各位高手指教-tray procedures, wrote, please exhibitions, and the improvements we can please enlighten master

GroupBox中的控件随着GroupBox的移动或隐藏而移动或隐藏。-GroupBox control of the movement with the GroupBox and mobile or concealed or hidden.

基于CVI的研华数据采集程序。是用NI公司的CVI开发的驱动程序-based CVI Advantech data collection procedures. NI company is the development of CVI Driver

这是一个有关地图编辑器的程序，挺好用的，希望对大家有用！-This is a map editor on the procedure very well, with the hope that useful for all!

著名界面库cj60lib的源程序，通过此源代码，您可以了解很多界面方面的知识。-Well-known interface library cj60lib source, the passage of this source code, you can learn a lot of the knowledge interface.

如何改变控件颜色 本程序以ListBox为例-how to change the color of the control procedures as an example to ListBox