ChildViewTx

可以查询网络DNS的一个小程序，以运行，无错误，可直接使用(Can the DNS query network a small program to run, no mistake, can use directly)

duilib界面库缺少阴影，这段代码能给duilib的窗口阴影效果。(duilib interface library lacks shadows, give the code window of the shadow effect duilib.)

事件对象解决读写者问题实现P、V操作用Win32提供的同步对象实现P、V操作，并使用它们解决读者-写者问题 利用事件机制模拟多值信号量。(Event object solves the problem of reader writer)

测绘中的面积计算。代码是本人自己编写的，实现读取Excel中给定点坐标（按照顺时针或逆时针编号），并计算给定点所围成的区域面积。(Mapping the area. Code is I have written to achieve a given point in Excel to read the coordinates (clockwise or counterclockwise in accordance with the number), and calculate a given point of the surrounded area.)

ssd5 exercise 2 answer.

C++程序设计编程，贝尔实验室著，电子版PDF(C++ program design programming, with Bell Labs, the electronic version in PDF)

驱动 隐藏文件夹 设置允许打开的进程 删除与复制设定(zssdihu@sohu.com hide directory)

限定MDI子框架窗口的最大、最小尺寸，C++精选学习源码，很好的参考资料。(Defining the maximum, minimum size MDI sub frame window, select learning C++ source code, a good reference.)

Unicode编码转换的VB源代码，适合新手(Unicode encoding conversion of the VB source code, suitable for beginners)

基于单片机的简易计算器，4键输入，完成加减乘除(calculator)