Member variable HttpEndpoint():lastError Professional
Contains the error code of the last socket operation.
The instance variable :lastError contains the error code of the last socket operation of the HttpEndpoint instance. Typically :lastError is used to identify setup or startup issues of a HttpEndpoint, while the :onError() method of the WebHandler and WebSocketHandler is used to handle send/receive errors.
The error codes returned are from the Windows Sockets sub-system (WSA error code).
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