Maximum number of characters allowed for ReadLn and InputLn.

IdMaxLineLengthDefault = 16 * 1024;

IdMaxLineLengthDefault is an Integer constant that indicates the default size used in the TIdTCPConnection.MaxLineLength property, as assigned in the TIdTCPConnection.Create constructor. IdMaxLineLengthDefault represents the maximum number of characters that can be read using a single TIdTCPConnection.ReadLn or TIdTCPConnection.InputLn method call.