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按键截屏源码，程序结合易语言应用接口支持库，调用易语言模块实现按键截屏功能。(Key screenshots source , combined with easy language application program interface support library , call the easy language module screenshot function keys .)

用于相机标定，求出坐标关系，实现物理坐标和像素坐标的转换( U7528 u4E8E u76F8 u673A u6807 u5B9A uFF0C u6C42 u51FA u5750 u6807 u5173 u7CFB)

层次分析法的matlab程序，层次分析法的matlab程序-AHP program matlab

winlogon.exe调用接口函数，用于更改访问控制方式的函数(winlogon)

C语言程序设计PPT，并含有谭浩强版C语言电子书，还有100个C程序案例(C language program design PPT, and contains TanHaoJiang version of the C language ebook, and 100 C program case )

窗口编程是图象处理的一部分.单视图和双视图的切换练习程序,用VC++6.0实现,(window programming is part of the image processing. Single View and View-switching practice procedures, VC 6.0.)

说明：  进行多元统计中的主成分分析，提取数据中的 主成分(Conduct principal component analysis in multivariate statistics and extract principal components)

画图片原理源码程序，调用API函数GetPixel循环取画板坐标点的颜色，再使用画板画点的方法一一画出即成一副图片。(Picture principle source program, call the API function GetPixel cycle takes Sketchpad color coordinate points , then use the drawing board stippled methods eleven Serve draw a picture .)

ertos实时多任务操作系统，dos多任务应用例子。例子简单演示多任务的编程方法。-ertos real-time multi-tasking operating system, dos example of multi-tasking applications. Simple examples demonstrate multi-task programming method.

客户端的简单编程实现。 主要是通过udp方式，实现用户间的对话。 其中运用了序列化类的方法。 以下是源代码,请多提意见。 -simple client program. Mainly through udp way to achieve a dialogue between users. The sequence in which the use of such methods. Following is the source code, please speak up.