Visual Basic Concepts Using the Winsock Control A WinSock control allows you to connect to a remote machine and exchange data using either the User Datagram Protocol (UDP) or the Transmission Control Protocol (TCP). Both protocols can be used to create client and server applications. Like the Timer control, the WinSock control doesn't have a visible interface at run time. Possible Uses Create a client application that collects user information before sending it to a central server. Create a server application that functions as a central collection point for data from several users. Create a "chat" application. Selecting a Protocol When using the WinSock control, the first consideration is whether to use the TCP or the UDP protocol. The major difference between the two lies in their connection state: The TCP protocol control is a connection-based protocol, and is analogous to a telephone — the user must establish a connection be...
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