Another ASCII Formatting Question

[pbd22]

Been struggling with find the correct ESC sequence for this.

A telnet session is established using Win XP DOS prompt.

I have provided a custom telnet screen - not the Server 2003
telnet. I am taking control of the port 23 session using the basic
API tools available to me in .NET.

I want the session to have a BLUE background and either white
or red letters (or, some white, some red).

Anybody out there know what the correct sequence is and, how
do I maintain the session's "blueness" until the connection is
dropped? Details appreciated.

Thanks!
Peter

[Jon Skeet [C# MVP]]

On Jan 23, 4:09 pm, pbd22 <[e-mail]:

Been struggling with find the correct ESC sequence for this.

A telnet session is established using Win XP DOS prompt.

Is this the default Windows telnet client? What terminal type is being
used?

Jon

[pbd22]

no. this is just MS DOS with:

C:\telnet 172.33.2.30

connecting to the custom telnet server.

I am pretty sure this is VT 100 but don't
know how to check. If any of this sounds wrong,
maybe you could tell me?

Thanks.
Peter

[Jon Skeet [C# MVP]]

On Jan 23, 4:46 pm, pbd22 <[e-mail]:

no. this is just MS DOS with:

C:\telnet 172.33.2.30

connecting to the custom telnet server.

I am pretty sure this is VT 100 but don't
know how to check. If any of this sounds wrong,
maybe you could tell me?

On my XP box, by default I've got ansi as the preferred terminal type.
To check, just type "telnet" and then from the prompt, enter "d" (on
its own) and see what the "Preferred term type" is. Of course, you can
do terminal negotiation in your server if you want...

Jon

[pbd22]

yeah, that is what I am doing.
There is no "d" unless I program a "d" and give it logic.
All the terminal negotiation is happening from the program
I wrote on the server. Not sure if this helps you answer your
"preferred type" question.

If I am doing the terminal negotiation, how do I change
the color/font?

Peter

[pbd22]

Sorry, i thought you meant once the connection was established.
The preferred TERM type is ANSI.

[pbd22]

if it is not telnet "d", how would i find that out?

[pbd22]

"you should only be accepting the terminal types you're willing to
support."

With all due respect, this really isn't helping me provide you with
an answer. I am new to telnet programming. Would you mind being
more clear as to "how I can check this". In other words, what, in my
program, should I be looking at to tell you what terminal types I
accept?

Thanks again for your help.
Peter

[pbd22]

OK.
That doesnt work.
It was my understanding that the \u replaces the ESC
in my particular case - outputting strings using the networkstream.
If I put ESC[P beforehand and P after I get

ESC[P\u002CP
or
\uESC[P002CP

or whatever

I want the first line to the client to be the
condition for the color blue and i want that to persist throughout
the session. Since we established that I am using ANSI and that
44 is BLUE (2CP in HEX), would you mind simply showing me
what this command would be?

[pbd22]

that is, 2C in HEX

[pbd22]

"\u001B[P44m"

This is just giving me "44m" on the telnet client.

[pbd22]

On Jan 23, 6:00 pm, pbd22 <[e-mail]:

"\u001B[P44m"

This is just giving me "44m" on the telnet client.

OK, got it.

\u001b[44m does the job.

Thanks for your help.
Peter

[christery]

Good job by the pepole helping you... didnt think there where any
vt100 experts left...
//CY

[pbd22]

if you know what to search on (which i did not).