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Delphi:Delphi实现的文本文件加密解密程序，选择一个文本文件，即可实现加密与解密。 (Delphi: Delphi to achieve a text file encryption and decryption program, select a text file, you can achieve encryption and decryption.)

EControl Form Designer Pro是一款和Delphi类似的专业窗体设计器，它可以让用户轻松地将完整功能的设计环境嵌入到自己的项目中。 EControl Form Designer Pro基于和Delphi窗体设计器一样的概念，同时它拥有和Delphi相似的界面元素。 使用EControl Form Designer Pro你可以在自己的项目中轻松地创建和整合设计环境。它包含所有已注册的属性编辑器，组件编辑器以及其他设计对象。你可以使用已存在的设计对象（VCL类库）的所有属性。 它可以在任何一种界面类型(比如:MDI、SDI、BDS等)中创建设计环境。其类库包含16种组件，足以让你创建专业的集成设计环境。 (EControl Form Designer Pro is a professional and Delphi similar forms Designer, allows users to easily complete function design environment embedded in their own projects. EControl Form Designer Pro based on Delphi and the same concept forms Designer, at the same time it has a similar interface elements and Delphi. Using EControl Form Designer Pro you can easily create in your own project and the integrated design environment. It contains all the registered property editor, the component editor, as well as other design objects. You can use the existing design objects all attributes of the library (VCL). It can be any kind of interface types (such as: MDI, SDI, BDS) created in the design environment. The library contains 16 kinds of components, enough for you to create professional integrated design environment.)

Delphi源码,界面编程,Ping 　　Delphi窗口化Ping操作，与系统的CMD Ping的功能是一样的，只不过实现了窗口化，Delphi7源代码实现，欢迎初学者参考。 (Delphi source code, programming interface, CMD Ping, Ping Delphi window of Ping operating system functionality is the same, but to achieve a window Delphi7 source code implementations, welcome beginners reference.)

Delphi中FieldByName方法使用举例，编程学习源码，很好的参考资料。(Delphi method in FieldByName example, learning programming source code, a good reference.)

cifrar cadena de caracteres string

像delphi ide 一样动态的加载，学习底层的好资源。(Like delphi ide as dynamic loading, learn the underlying good resource.)

多线程socket文件传输/支持断点续传/收发消息/点对多点 使用阻塞方式的socket,使用多线程,有较高的性能. 在局域网中测试达到极限速度. 支持断点续传. 服务端可同时接收多个文件. 传输文件的同时可以发送网络消息(Multi-threaded socket file transfer/support HTTP/send and receive information/point-to-multipoint mode of using blocking socket, the use of multi-threaded, high performance. In the local area network speed test reached its limit. Support HTTP . server can receive multiple files at the same time. transfer files can be sent at the same time the network news)

说明：  Rad Studio Demo to Custom TreeView

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)

说明：  EXIF信息代表的是可交换图像文件信息。当你储存JPEG或者TIFF格式的照片时，这张照片的所有信息都储存在EXIF信息中。几乎所有的相机厂商都支持拍摄的照片输出EXIF信息。(EXIF information represents exchangeable image file information. When you save a photo in JPEG or TIFF format, all information of the photo is stored in EXIF information. Almost all camera manufacturers support the output of EXIF information for photos taken.)