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Vc++ 使用Ado方式对数据库操作，在vc6.0上编译通过(Ado datebase operate)

VB控制修改系统声音 麦克风 波形 软件合成器 CD 线路输入(VB control to modify the system sound the microphone waveform software synthesizers CD line input)

6.6源代码,主要是服务器内核部分,供大家参考(6.6 source code, the main server is part of the kernel, for your reference)

采用VB6.0编程的MD5加密算法。MD5就是采用单向加密的加密算法，对于MD5而言，有两个特性是很重要的，第一是任意两段明文数据，加密以后的密文不能是相同的；第二是任意一段明文数据，经过加密以后，其结果必须永远是不变的。前者的意思是不可能有任意两段明文加密以后得到相同的密文，后者的意思是如果我们加密特定的数据，得到的密文一定是相同的。(Using VB6.0 programming of MD5 encryption algorithm. MD5 is the use of one-way encryption algorithm, for MD5, there are two characteristics is very important, the first is any two plaintext data encrypted ciphertext, later not to be the same second is an arbitrary piece of plaintext encrypted data, then, the results must always be the same. The meaning of the former is unlikely to have any two plaintext after getting the same ciphertext, which means if we encrypt specific data, the encryption must be the same. )

RAS api的MFC类封装(MFC class encapulation of RAS api)

sudoku untuk testing

VB api编程模块字体对话窗口设计VB api programming model designed font dialog window (VB api programming model designed font dialog window )

说明：  对松下FP系列PLC通讯串口的调试，了解串口使用的方法(Panasonic FP series PLC serial communications debugging of serial use)

说明：  自编的文件分割器，功能比较全，可供参考。(Own partition of the documents, and full-feature comparison is available for reference.)

大地坐标系正算，由空间大地直角坐标系转到WGS84坐标系(terristial coordinates transform)