Internet Direct (Indy) Version 9.0.1 Beta
EIdHTTPHeaderAlreadyWritten
HTTP response exception raised during writing headers.

EIdHTTPHeaderAlreadyWritten = class(EIdHTTPServerError)
Description
EIdHTTPHeaderAlreadyWritten is an EIdHTTPServerError exception descendant that represents the exception raised when TIdHTTPResponseInfo attempts to write headers for a response where the headers have already been written.