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Vb.net simultaneously transmits information from one host to multiple hosts through sockets. How to operate?

With the popularization of Chinese version of Windows 95 and Chinese version of Windows NT Server 4.0, Microsoft has launched the development software on the corresponding platform: Visual Basic 5.0 Chinese Enterprise Edition. It provides a powerful tool for network development in Windows environment, and Winsock control is one of them. Winsock controls are based on TCP and UDP protocols, and complete the communication with remote computers. By using this control, even users unfamiliar with TCP/IP can create a simple client/server program in ten minutes. Next, we will introduce the events, methods and properties of Winsock control in detail in order to better understand the program source code.