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说明：  用delphi开发的软件，实现使用Tab键代替回车(Software developed using delphi to achieve instead of using the Tab key to enter)

schematic based on CT952A chip

使用Delphi开发高效的数据库应用系统（实例源码），从测试dbexpress、bde/idapi和dbexpress开始，观察dbexpress的执行行为，dbexpress和bde/idapi的性能比较，访问大量数据的速度，调整dbexpress访问数据的方式，调整packetrecords特性值，改变dbexpress处理数据的行为，delphi 7之后的tsimpledataset，实例包中的源码将向您展示上述知识。 (Use Delphi to develop efficient database system (example source code) from test dbExpress, bde/idapi start and dbexpress, to observe dbexpress execution behavior, dbexpress the bde/idapi performance comparison speed access to large amounts of data, adjust dbexpress access data way, to adjust packetrecords characteristic values ​ ​ change behavior of dbexpress processing data source delphi 7 tsimpledataset, Examples will show you the above knowledge.)

关于asio的性能测试程序，包括远程数据库对象_ado_asio支持delphi全版本(Asio performance on the test program, including support for remote database object _ado_asio full version delphi)

一个交通红绿灯线程，利用组件timer来进行时间分割，出来的效果真的不错~(a traffic light threads, the use of components timer for time-sharing, the result is really good ~)

midchild和midform关系的设置以及窗体自动释放(midchild and midform between settings, and automatic release form)

说明：  delphi7下好用的DBGRIDEH控件(The enlib4.1 Library contains components and classes for Borland Delphi7)

data matrix编码格式的二维码编码器，完整的源码包含调用测试程序(Data matrix)

vedos sockets used to make simple voice/video chat programs.

可虛擬兩個RS-232或者是多個RS-232互傳資訊，此源码維Delphi所編寫。(Can be a virtual two RS-232 or RS-232 over pass each other information, this source code written by Victoria Delphi.)