使用WMI获取Windows所有USB摄像头设备名称,支持Win10

实现红灯亮5秒，绿灯亮5秒，黄灯闪1秒.-the red light is on for about 5s,the green light is on for about 5s,the yellow light glitter for about 1s.

根据IP地址得出内网中相应主机的主机名，便于开发C/S程序 -come under the IP addresses within the network corresponding host name of the host to facilitate the development of the C/S procedures

采用VB6编制的小小程序，有源代码，无须解压密码，利用自己设计的程序同样可以实现对控制面板内容的控制-use VB6 procedures for the preparation of small, active code without extracting passwords, use the same design procedures can be achieved on the control panel to control the content

这段代码从 excel 文件和做一些更改对该数据并在最后写道，它导致在 excel 文件中读取，它写在 windows 窗体，它读取可用在源代码中的各列。

const char *与char * const的区别。C语言对文件读写的支持，FILE指针；文本文件和二进制文件的区别。用文本方式读写文件和以二进制方式读写文件的注意事项。C++对文件读写的支持，ofstream和ifstream的用法。Win32 SDK对文件读写的支持，CreateFile函数、WriteFile函数、ReadFile函数的使用；MFC对文件读写的支持，CFile类和CFileDialog的使用，文件过滤器的设置。win.ini文件和注册表的读写方式及相关知识点。-const char* and char* const distinction. C language of the document to read and write support, FILE pointer text file and binary file distinction. Used to read and write text files and read and write files in binary mode Notes. C++ Of documents to read and write support, ofstream and ifstream usage. Win32 SDK to read and write support for the document, CreateFile function, WriteFile function, ReadFile function to use MFC support reading and writing of the document, CFile Class CFileDialog and the use of paper filter settings. win.ini file and registry read and write methods and related knowledge points.

本程序为图形学课程的一个小程序，注点是在用画点和各种图形的算法来实现各种图-the procedures for graphics courses a small program, the Note is painted various graphical point and the algorithm to achieve maps

页面置换算法 用于页面置换方面的算法，对于计算机算法的研究对初学者很有帮助-The arithmetic of page replacement,arithmetic used to the replacement,it is useful for the beginer of computer arithmetic.

直接修改注册表，改变环境变量，JDK安装的时候可以用这个-Directly modify the registry to change the environment variables, JDK installation time can use this

经典问题的源码（n皇后问题，点灯问题）-the classic source (n Queen, the Lantern)

拷贝、删除和移动文件-copy, delete and mobile document