3487_VirtualTreeviewV5.1.2

delphi下的comm串口通讯,一种很实用的方式，读卡器或其他通讯常 常 用到(comm use delphi procedure ,include ReadComm procedure,OpenCOmm Function,comminitialize procedure,MsgcommProcess procedure)

说明：  专门用来操作Treeview和数据库，通过数据库中的数据自动添加到Treeview控件中，不过数据控件用的是ADO组件，另外数据库中存放Treeview节点数据表的结构位：ID:integer PID:Integer Caption:string 字段名成可以不同，但是类型必须相同！ 公用单元：TreeFillThrd.pas TreeUtils.pas(Treeview and database designed to operate through the data in a database is automatically added to the Treeview control, but using a ADO data control component, another Treeview nodes in the data stored in the database table structure, position: ID: integer PID: Integer Caption: string field name as may be different, but the type must be the same! Common unit: TreeFillThrd.pas TreeUtils.pas)

使用SHA算法加密文件Delphi示例，编程学习源码，很好的参考资料。(SHA algorithm to encrypt files using Delphi examples to learn programming code, a good reference.)

大型超市POS项目，能进行超市POS机的操作，并能正常结账和入库(Supermarket POS items, supermarket POS machines able to carry out the operation, and to the normal checkout and storage)

使用Delphi的OnChange事件，Timagelist组件，编程学习源码，很好的参考资料。(Use the Delphi OnChange event, the Timagelist component, learning programming source code, a good reference.)

label內容旋轉控件代碼s(label content of rotary controls code s)

说明：  madKernel.rar MadCollection.2.5.2.6FS

resource code clone from exefile

学习C_++ builder 和 delphi 时候用到的一些 有用的例子，对于爱好这可能绘有些 帮助，(Learning C_++ Builder and delphi when used with some useful examples, for loving this may draw some help,)

说明：  获取硬盘序列号的dll文件，接口什么的都很简单。网上很多获取硬盘序列号的程序，但是大都需要很长的代码，所以把代码封装成dll公调用(Get hard drive serial number of the dll file, what the interface is very simple. Many online programs to get hard drive serial number, but most still require a very long code, so the code is packaged as a dll public call)