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LibXl 的注册机代码，可以注册目前最新版的LibXl，使用方式 创建 BookHandle 以后，调用 xlBookSetKeyW（BookHandle ， key， code）(The registration machine code of LibXl can register the latest version of LibXl, and call xlBookSetKeyW (BookHandle, key, code) after creating BookHandle.)

使用VC++，调用windows系统API修改桌面壁纸的例子，可以参考下(The use of VC++, windows system calls API to modify the desktop wallpaper example, can refer to )

小区物业管理系统源码,包括系统登陆,数据通信,界面软件编程数据通信等(Residential property management system source code, including the system login, data communication, data communication interface software programming, etc)

图片反色VB源代码 ，应用程序编程源码，很好的 参考资料。(The picture color VB source code , application programming source code, a good reference.)

设计模式 c++不仅将c++的语言特性展示出来 而且很巧妙的解释了设计模式的应用性(Design pattern c++ not only c++ language features displayed and explained a very clever application of design patterns)

测量平差领域中的水准网平差，界面编程，程序可以直接运行，附有示例文件和说明。(In the field of measurement adjustment, leveling network adjustment, interface programming, the program can be run directly, accompanied by examples of documents and instructions.)

使用wintab开发的例子，VB开发环境，经过验证可以(Wintab32.dll Demo in VB6 ReadMe notes ******************************************************* ******************************************************* A few notes on this before you play with it: 1) You cannot debug through much of the code! The reason for this is that the routine performs a Windows message hook for the window messages that normally go to the window. So when the user moves the mouse over a window, Windows generates all the messages and sends them to the window to respond. (examples are "MouseEnterWindow, MouseMove, MouseLeaveWindow"). Note these are different from the VB events which are similarly named but operate within VB, they are instead the actual messages Windows OS uses to respond. This is how windows does all of its GUI. Since a hook has been placed in the code, those messages go to the callback routine and thus get intercepted in the application. In debug, all code execution halts in the VB app. But windows keeps sending the messages to the cal)

PLC程序，结合VB通信实现两轴运动带减速功能(PLC programming, communication with VB to achieve two-axis motion with deceleration )

使用多媒体定时器timeSetEvent()函数，该函数定时精度为ms级。利用该函数可以实现周期性的函数调用。(Using multimedia timer timeSetEvent () function, the function ms timing accuracy for the class. Function can be achieved using the periodic function call.)

说明：  Sample Code for encryption and decription