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Work in bluetooth, API & sample

说明：  用delphi7.0做的一个树型结构源码(delphi7.0 do with a tree structure FOSS)

Delphi 7 实用表格及编辑框控件分享(QLLStd Compements for Delphi 7)

Delphi注册表键值保存信息，编程学习源码，很好的参考资料。(Delphi registry key to save the information, learn programming source code, a good reference.)

计算式的计算，能用字符的形式完成大部分的计算，应该有不少人编了此程序，但是这个还是有新颖之处，完全是对字符处理产生的计算，可以使用全角计算符，对三角函数，科学计数等有很好的支持，算是我对字符串处理一个探索成果。(Formula calculation, can be used to complete most of the characters in the form of calculation, should be compiled of the many people in this process, but this is still a novelty, is Zifu handling to complete the calculation, you can use full-width calculation breaks, on trigonometric functions, scientific counting good support, I suppose I deal with an exploration of the string results.)

delphi study the examples

不错的数据库连接池实现，很有参考价值。包括多种数据库连接方式的(DB connection pool)

ADSL上网计时程序，自动检测因特网联接，每分钟更新一次计费时间，自动检测是否超过19.5小时，主要给计时的ADSL用户的。(ADSL Internet access timing procedures, automatically detects the Internet connection, updated every minute billing time, automatically detect if more than 19.5 hours, mainly to the timing of the ADSL users.)

Libmysql.dll wrapper for delphi

ImageEn 图像处理、 查看、分析控件。能够读取和保存多种图像格式，并能从扫描仪中（单页和多页）获取图像、捕获视频、添加滤镜效果、合并图像、选择图像区域（支持魔术棒）等等。(ImageEn is an extensive component suite for image editing, display and analysis written in pure VCL code for Delphi and C++ Builder)