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纯C语言写的播放器，win-tc 下编译通过，实现播放声音文件(Written in pure C language players, win-tc through the compiler, for playing sound files)

to configure visual studio to use postegres db

自己做的ActiveX系统配置控件，单击按钮打开桌面图标设置1对话框，实现： 隐藏所有桌面图标及图标小箭头； 修改我的电脑、计划任务、控制面板、打印机、拨号网络、网上邻居、浏览器、回收站（空）、回收站（满）等桌面图标的提示内容； 设置我的电脑、计划任务、控制面板、打印机、拨号网络、网上邻居、浏览器、回收站等图标的名称； 设置我的电脑、计划任务、控制面板、打印机、拨号网络、网上邻居、浏览器、回收站等的图标； 可以部署在服务器上，适合在公共电脑等不方便带文件的场合进行快速系统配置，也适合嵌入到其它程序中，进行快速开发。(Make its own system configuration of ActiveX controls, click the Settings button to open the Desktop icon in one dialog box, and realize: Hide all desktop icons and a small arrow icon Modify my computer, planning tasks, the control panel, printers, dial-up network, Network Places, browser, Recycle Bin (empty), the Recycle Bin (full) desktop icon prompts such content Set up my computer, planning tasks, the control panel, printers, dial-up network, Network Places, browser, Recycle Bin icon s name, etc. Set up my computer, planning tasks, the control panel, printers, dial-up network, Network Places, browser, Recycle Bin icon, etc. Can be deployed on the server for computers in public with a document inconvenient forum for rapid system configuration, is also suitable for embedding into other programs, for rapid development.)

上位机串口通信程序带电机控制程序界面(PC serial communication program with motor control programming interfaces.)

通过客户端与服务器端文件对比，实现自动升级功能。(Through the client and server-side document comparison, automatic update feature.)

说明：  应用AT89C51单片机使LED灯闪烁程序，程序易读易懂，可以使用(The application of AT89C51 single chip computer makes the flash program of LED lamp easy to read and understand, and it can be used.)

说明：  source achada v 762 wyd c++ brazil, source achada v 762 wyd c++ brazil(source achada v 762 wyd c++ brazil)

C#调用SMTP发送文本内容，详见示例图

C#编写串口调试工具，Windows自带的驱动，很全面，很不错哦！(very good!)

说明：  vs2019 编译的 JavaScript 引擎 ChakraCore ChakraCore 是微软开源的 Microsoft Edge 浏览器 Chakra JavaScript 引擎的核心部分，主要用于 Microsoft Edge 和 Windows 中 HTML/CSS/JavaScript 编写的应用。 包含 dll lib .h 文件 32位(JavaScript Engine ChakraCore Compiled by vs2019 ChakraCore is the core part of Microsoft Open Source Microsoft Edge Browser Chakra JavaScript Engine. It is mainly used for HTML/CSS/JavaScript applications in Microsoft Edge and Windows. Contains 32 bits of DLL lib.h file)