d7_graphics_system

说明：  Delphi 编写的40个小程序，电子版的哦，多多支持(40 small program written in Delphi, the electronic version of Oh, can support)

My New Communication Pas

用PSO算法（粒子群算法）求解非线性方程组(Using PSO ( particle swarm optimization ) algorithm for solving nonlinear equations)

继承自 TCustomPanel ，是专门显示 Delphi 源码的可视构件，能够将 Object Pascal 关键字以不同色彩显示，标上列号并可以打印(A control which can show delphi source file code ,marking key words by color font.)

学习批量删除目录精品，所有代码本人开发 应用于公司的文件删除里，全代码不保留了(Learning bulk delete directory products, all of the code development Applied to the company s files are deleted, the code is not retained )

自己新学上手的一个公司科技图书资料管理系统(Learn to use their new technology, a company library management system)

Delphi屏幕拷贝，截图，抓屏代码 主要是功能函数(Delphi screen copy, screenshots, screenshots code)

Delphi:Delphi修改INI文件的内容，Delphi源码下载，通过一个窗体表单程序，对MyInfo.INI文件的各个节点值进行修改，INI文件在软件开发中常用作配置文件或数据存储文件，学会在Delphi中操作INI文件，是非常有必要的一个技巧。本示例程序用到了Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Dialogs,INIFiles, StdCtrls, XPMan (Delphi: Delphi modify the contents of the INI file, Delphi source code download, through a form spreadsheet program, for each node value MyInfo.INI modify files, INI files in software development is often used as a configuration file or data storage files, learn Delphi INI file in the operation, it is very necessary for a skill. This sample program uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, INIFiles, StdCtrls, XPMan )

说明：  Delphi 串口通讯的例子，可以用来做通讯的回环测试(Delphi commport test,can used to in-out test)

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.)