修改Button的drawitem函数 改变Button的背景色前景色，美化按钮

《DOS程序员参考手册》第四版；英文原名为“DOS Programmer s Reference， 4th Edition”，作者是美国的Terry Dettman及AllenL.Wyatt， Sr. 。本书是Que的保留书 目，内容完整，解释清楚，在介绍DOS编程技术的书籍中，本书是多年来最有影响、最受欢 迎的书籍之一。 - DOS programmer s reference manual, the fourth edition English formerly known as DOS Programmer s Reference, 4thEdition , the authors are of the United States Terry Dettman and AllenL.Wyatt, Sr.. This book is a reservation Que bibliography, content integrity, and to explain clearly, in the introduction of DOS programming books, this book is the most influential over the years, one of the most popular books.

是一个计算器的小程序，很适合初学者用于研究试用，应该时很有启发的-Calculator is a small program, it is suitable for beginners used to study the trial, it should be very enlightening when the

简单的Windows UDP打洞程序，包含服务器端程序和客户端程序，在Visual C++ 2008上编译通过。

判断操作系统版本,调用到注册表!-judgment of the operating system version, called the registry!

fft快速算法，用于fft变换，基于VC＋＋开发，还望各位指正。-fft Fast Algorithm for fft transform, based on VC++ development, but also hope to correct.

案例22磁盘文件的读写-disk read and write documents

资源分配问题,n个车间,m台设备,如何分配才能使获最大利益?-resource allocation problem, workshops n, m machines, and the distribution can be best interests

该程序是我初学C#时编制出来的(含源代码) 供大家免费学习和使用，纯绿色软件， 本程序是一个模windows 计算机器编写的一个计算器程序. 因为是用C#编写的,所以你的计算机在安装Microsoft .NET Framework 才可以运本程序.-I am learning C# out to (including source code) for free learning and we use pure green software, the process is a computer model windows for the preparation of a calculator program. Because it is prepared using the C#, your computer in the installation of Microsoft.NET Framework before the procedure could be transported.

(141k) OleLoadPic demonstrates how to use the API OleLoadPicture() to load a picture from a file or resource. Useful if you need a JPG instead of a bitmap in an applications resource section-(141k) OleLoadPic demonstrates how to use the API OleLoadPicture () to load a picture from a file or resource. Useful if you need a JPG inste ad of a bitmap in an applications resource secti on

《编程之美》源代码，讲解编程技巧，可供参考-" The Beauty of Programming," the source code ，explain the programming techniques, available for reference