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打印价签的，学习用，使用请修改对应的数据库 (Print price tag, and learn to use, modify the corresponding database using)

说明：  lib for delphi hash ,crypto

delphi换肤入门 没有用任何换肤控件实现界面的按钮换肤。 (delphi skin entry Did not use any skin button interface controls to achieve skin. )

source code for encrypt password

类似于QQ播放器的源代码，实现URL读取，加密播放，高压缩，速度优化部分写的非常好，高清播放，比一般的网络播放器性能都强。(Tencent QQ player similar to the source code for URL read, encrypted playback, high compression, speed optimization part of the writing is very good, high-definition playback, the player than the average network performance are strong.)

著名的APIHOOK工具 madCollection For Delphi2010 XE XE2。 网上的madCollection只有dephi7的代码，而在Delphi 2010 XE XE2下无法使用。这代码能作为Delphi 2010 XE XE2访问madCollection的桥梁。 用法：在D7下下载madCollection源码包编译本代码生成DLL，给Delphi 2010 XE XE2使用，并写好了访问接口。(madCollection For Delphi2010 XE XE2)

串口控件 附带完整的串口调试工具的源码 ，非常好用的(Serial control port with complete source code debugging tool)

Call A DLL file and use it in Delphi

If you don t know how to use the ListBox of Delphi this source code will help you. It shows how to delete an item or just unselect it.

说明：  SQL触发器应用实例(Delphi+数据库)，编程学习源码，很好的参考资料。(SQL trigger application examples (Delphi+ database), programming learning source, a good reference.)