IPTextBox

计算机启动日期和病毒提示VC++程序(computer virus launch date and suggested VC Program)

文件遍历 绑定到树形结构中，遍历文件夹中所有文件。(find file in folder)

双音多频 DTMF（Dual Tone Multi Frequency），双音多频，由高频群和低频群组成，高低频群各包含4个频率。(Dual-tone multi-frequency signaling (DTMF) is used for telecommunication signaling over analog telephone lines in the voice-frequency band between telephone handsets and other communications devices and the switching center. The version of DTMF that is used in push-button telephones for tone dialing is known as Touch-Tone. It was developed by Western Electric and first used by the Bell System in commerce, using that name as a registered trademark. DTMF is standardized by ITU-T Recommendation Q.23. It is also known in the UK as MF4.)

说明：  经典c语言源代码，对学习c语言的人很重要，值得一看(Classic C language source code is very important, see, learn c language)

Write an animation of the Point class. Requirements: Bezier curve point as the target attribute.

关于unix系统的虚拟网络的connect部分功能，仅供参考，好好学习天天向上(unix virtual network)

说明：  嵌入式资料温度传感器设计指南全部知识点都在这里(Guidelines for temperature sensor design)

基于LabWindows/CVI的UDP通信(LabWindows/CVI UDP communication)

通过获取网络数据包，通过SNMP得到网络信息，包括设备的目标地址，源地址，物理地址，算法效率高，获取时间不超过20毫秒。(Through access to network packets, network information through SNMP, including the target address, equipment source address, physical address, the algorithm efficiency is high, the acquisition time is not more than 20 millisecond. )

通过自定义Windows窗口，以文件窗口的形式，实现对txt文件的读取和写入等功能。(The functions of reading and writing txt files are realized by customizing windows in the form of file windows.)