CalculatorService

说明：  上期行情看穿ctp api 接口，安卓平台接口(Last issue of CTP API Android)

VB平铺一个背景图到整个窗体，用一个图片，铺满整个窗体的背景，简单易用(VB tiles a background map to the whole form, and uses a picture to cover the background of the whole form. It is easy to use.)

该程序主要用到了几个RAS　ＡＰＩ函数和多线程技术。　具体实现请参考源代码！-the procedure used by several major RAS API function and multi-threading technology. Please refer to achieve specific source code!

说明：  用于机器人的开发控制和机器人运动学研究，并且实现一般网络通讯的开发(Development and Control of Robots)

一段局域网内网上聊天程序。这是一测试程序，更多的网络程序以后陆续发上来。-a LAN online chat program. This is a test program, more network programming onto successive fat.

pdf在线预览，动态查看，以文件流的形式查看(pdf Online preview, dynamic view, view in the form of file stream)

使用windows api将字符在Unicode编码和GBK编码之间相互转换的示例程序(convert between unicode and gbk)

用java3d写得一个小程序，有缩放、旋转、平移等功能(A small program written by java3d, zoom, rotate, pan, etc.)

网络聊天，网络应用，windows开发，系统集成-Network chat, network applications, windows development, system integration

The following words are used as keywords in proposed extensions and are therefore reserved to allow for the possibility of future adoption of those extensions.