本文首先介绍了利用MFC提供的文档视图框架来实现一个打印程序，实现打印预览，在此基础上，同时通过对MFC源代码的深入探讨，提出了利用该方法在对话框上用MFC实现

对打印记录的监控,采用微软SPOOL API 编写,是个学习的例子,并没有什么特别的地方-Print records of monitoring, the use of Microsoft prepared SPOOL API, is a learning example, there were no special place

c语言源代码集锦：内含c语言程序中的一些算法，有许多函数的编程实现功能，值得一看。-c language source code Collection : c language program includes some of the algorithm, there are many functions in functional programming overseas.

从网上下载usb相关的程序大多没带这些文件，编译不成功，去下载ddk也很麻烦，为了方便大家，我从xp ddk 2600版中提出来的，与usb相关的头文件和库，添加进工程中就可以编译。(很全，满足usb设备相关的程序）-Downloaded from the Internet most of usb-related procedures did not have these documents, the compiler is not successful, go download the DDK is also very troublesome, in order to facilitate everyone, I went from xp ddk 2600 version put forward, with the usb-related header files and libraries, add project can be compiled. (Very wide, to meet the usb device-related procedures)

采用.NET 的反射机制，实现.NET Framework 中的序列化和反序列化功能-Used. NET reflection mechanism. NET Framework and the sequence of the anti-sequence function

labview的源代码，用于获得CPU的序列号，对于软件的安全设计意义重大。实际应用如：自己设计的软件别人使用时，可采用机器序列号唯一对应的授权号，这样可以避免自己的劳动成果被别人占有-PC source code for access to the CPU serial number, software for the safety design of great significance. Practical applications such as : their design software used by others, we can use machines, the only sequence corresponding to the authorization, This will avoid the fruits of their own labor occupied by others

直接套接字实现HTTP协议

get cpu infomation from client computer.

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厂家安霸方案监控像机的SDK源码，源码编译后直接可以连接安霸方案的A2 A5像机。

锁住计算机直到输入正确的口令-computer locked until the correct password