实现程序控制的关机和重启操作

这是一个简单的时钟程序。可以设置时钟的一些参数，更好的为用户服务。-This is a simple clock program. You can set the clock a number of parameters, and better for the users.

Evc 与　Pb开发平台的介绍。赶快下载。-EVC and Pb presentation development platform. Download quickly.

基于恒拓科技无人机代码基础进行优化和修改代码。能够实现无人机超声波定高，气压计定高，gps，自动起飞，nrf与外围nrf通信，蓝牙发送上位机。

windows简单的关机程序，希望大家提出宝贵的意见！本人是初学者！-simple windows shutdown procedures for the valuable advice everyone! I am a beginner!

介绍如何将XP.Embedded系统裁减到200M以下的办法，可以支持多媒体应用，可是嵌入式开发者的利器哦-how XP.Embedded system will be cut following the 200M, can support multimedia applications, but developers of embedded weapon oh

可以计算各种函数，还可以使用变量，如A，B，C，D。可以计算各种数学函数sin cos tg ctg,处理括号，四则运算，是VC中一款不可多得的表达式计算类和计算工具。例如：cos(0) 1-can calculate various functions, variables can also be used, such as A, B, C, D. Can calculate mathematical functions sin cos tg rays, handling brackets, four operators, one VC is a rare expression of calculating and computing tools. For example : cos (0) 1

virsual 386系统的设计(尚未完全)-virsual 386 system design (not yet in full)

一个小程序，可以将string 转换为float型数,可用于string类的统一-A small program can be converted to string a number of float-type, can be used for the unification of string type

二次开发----AutoCAD------Oboject ARX 的一个高级的运用，自定义捕捉的例子。 -Secondary development of AutoCAD Oboject ARX application of a high-level, custom capture examples.

读取AutCAD软件中的dxf类型文件，经过简化修改和功能加强的修改-: This paper presents AutoCAD software to read the dxf file types, have been simplified and enhanced functionality to amend the amendment