用vc++6开发的，支持COM的后台服务管理dll源代码

COM&DCOM Programming

WTL写的一个操作全屏Frame的程序 可以显示图片 编译图片-WTL Writing Frame of an operation procedure for full-screen picture to show the compiler Photos

一个显示电梯楼层的控件，可以设置电梯的总的层数，电梯的首层，然后根据控件的curfloor，可以动态的显示当前电梯所在的楼层。-a show floors of the elevator control, can lift the total installed the floors, the first floor elevator, then under the control curfloor can display the current dynamic where the elevator floor.

excel usage delphi aplication

com编程范例3-com programming model 3

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这是一个通用的C++ 编译用的makefile 文件，不用修改就可直接用于任何程序的编译。-This is common makefile for any c++ projects without any modification.

可以同时打开四个串口，并分别发送和接收数据，用VC6.0-Four serial port can be opened at the same time and send and receive data, respectively, using VC6.0

这是关于串口编程的技术文档，从中我们可以学习串口编程的方法,对学习串口编程很有好外-This is about serial port programming, technical documentation, in which we can learn the serial programming method, serial programming is very good for learning outside the

ITS中车辆速度估计的论文， 不是源代码 但是很有价值 从宏观上估计，而不是微观地针对每个车子-ITS in vehicle speed estimation papers is not very valuable source code, but estimates from the macro rather than micro-targeting for each vehicle