winsocket-transpot

视频通信 c#编程 可以正确运行 能够在局域网里进行视屏聊天(Video communications c# programming can be run properly in LAN chat screen)

一个用于客户端和服务器端的客户端的简单程序，C#(one for the client and the server-client simple procedure, C#)

VFP的相关代码demo，很好的东西,VFP的相关代码demo，很好的东西(very good demo code,very good demo code)

封装帧和解析帧，并有CRC校验，完全是自己手写(Feng binding and parsing frame, and a CRC checksum)

网络程序，判断是否连接至外网，主要是读取内容来判断(Network program, to determine whether to connect to the external network, is read content to determine)

提供了各种拒绝服务攻击方式的算法，封装成了各种函数，调用很方便。(Offers a variety of denial of service attack algorithm, the package into various functions, call it convenient.)

说明：  基于VC的OPC客户端软件研究与实现.......(The OPC-based VC research and implementation of client software ....... )

Currently, most of people use MS DCOM/COM+, Java Bean/RMI, and Corba to do distributed computing over internet. All of these technologies are provided with some tools and intermediate objects to simplify internet development. However, these technologies have one common and fundamental problem that all of the calls between a client and a server are blocked for a returned result (please correct me if this is wrong). A client stays still, and has to wait for a while after sending a request to a server. If the request is a lengthy action, the client application seems to be dead to a user. In most cases, we could use a worker thread at the client side to do background computation for solving this problem. However, this comes with an expensive price, more coding, data synchronization and mess in coding logic. Additionally, I also doubt that these technologies are able to really move data across internet efficiently.

本程序以动态的方式给对话框加载背景图,给人耳目一新的感觉()

聊天室的VC++实现 视频会议 多人聊天室(Chat VC++ implementation of video conferencing over the chat room)