TIdHTTPWhatsNext is an enumerated type that indicates the next action required during execution of HTTP Requests and Responses using the TIdHTTP protocol handler. TIdHTTPWhatsNext can contain one of the following values and associated meanings:
wnGoToURL - The protocol handle will redirect to a new URL.
wnJustExit - The protocol handler cannot redirect, the request will be abandoned.
wnDontKnow - The action for the protocol handler has not been determined.
wnReadAndGo - The protocol handler will read the HTTP response.