WLanguage procedure called by SocketConnect

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SocketConnect (Function)

WLanguage procedure called by SocketConnect

WLanguage procedure written in browser code ("callback"), called by SocketConnect. Name of the procedure called when the connection to the server is established. This procedure is used to send a message to the server with SocketWrite.

Example

SocketConnect("client", "ws[s]://<WebSocketServerAddress>", OnSocketEvent)

INTERNAL PROCEDURE OnSocketEvent(nEvent, sMessage)

SWITCH nEvent

CASE SocketOpening
SocketWrite("client", "Send message from the browser.")

CASE SocketMessage
Info("Server message received: " + sMessage)

CASE SocketClosing
Info("Socket closed", sMessage)

CASE SocketError
Error("Socket error")
END
END

Syntax

SocketConnect_Callback(<Event> , <Message>)

<Event>: Integer constant

Corresponds to one of the following constants:
SocketClosing The socket is closed. The <Message> parameter contains a code that indicates the reason for closing.
SocketError An error occurred during the communication with the server. The <Message> parameter is always empty.
SocketMessage The socket received a message. The <Message> parameter contains data relative to the message.
SocketOpening The socket is connected to the server. You have the ability to send messages.

<Message>: Character string

Response from the server according to the <Event>.

Business / UI classification: Neutral code

Component: WDJS.DLL