Tuto WINDEV 25

Part 7: Advanced programming 419 ▶ Let’s study the processes performed by the client (computer B). 1. Display the code of "Connect" button found in the "Computer B" area: • Select the "Connect" button. • Press F2 to display the events. 2.  In the "Click" process, you will see SocketConnect , which is used to connect to the socket created by computer A. Close the code editor. 3. Display the code of "Send" button found in the "Computer B" area: • Select the "Send" button. • Press F2 to display the events. 4.  The following code is used in the "Click" event: IF NOT SocketWrite("ForComputerA", ... EDT_SentenceToSendToComputerA) THEN Error(ErrorInfo(errMessage)) RETURN END You will notice the presence of SocketWrite that is used to send a message onto the socket to which computer B is connected. Close the code editor. Remark: In this lesson, we have seen a "simple" communication between a server and a client computer: the client sends messages and the server processes the messages. You have the ability to create more complex applications. You have the ability to establish a communication between two applications, both client and server. In this case, the management of threads becomes very important to manage the send operations and the responses.