Do Event

Fired when a Telnet DO OPTION command comes from the Telnet server.


ANSI (Cross Platform)
virtual int FireDo(TelnetDoEventParams *e);
typedef struct {
int OptionCode; int reserved; } TelnetDoEventParams; Unicode (Windows) virtual INT FireDo(TelnetDoEventParams *e);
typedef struct {
INT OptionCode; INT reserved; } TelnetDoEventParams;
- (void)onDo:(int)optionCode;
#define EID_TELNET_DO 6

virtual INT IPWORKS_CALL FireDo(INT &iOptionCode);


The OptionCode parameter identifies the option code. For a list of option codes and their descriptions, please look at the Telnet RFCs. The following are a few examples:

0 (TRANSMIT-BINARY)Enables or disables binary (8 bit) transmission.
1 (ECHO)Telnet ECHO option. Specifies whether bytes sent should be echoed or not.
3 (SUPPRESS-GO-AHEAD)Used to enable or disable transmission of the Telnet GO_AHEAD command.
24 (TERMINAL-TYPE)Allows or disallows terminal type negotiation.
31 (NAWS)Allows or disallows window size negotiation.

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IPWorks 2020 C++ Edition - Version 20.0 [Build 8161]