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Oct 13, 2001, 10:04pm

What does: "Assignment to constant not permitted", mean?

The highlighted code is:


sdk1 <Hightlight> .AwWhisper(PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER) =
</Highlight> True

PLAYER_ID = sdk1.AwAvatarSession (set as Long)
WELCOME_MESSAGE_NEWPLAYER = (a string read from an ini file) (set as String)

--
- Cozmo Of Cozmo-X
http://cozmo-x.zapto.org
World: A'Dude

Oct 14, 2001, 12:40am

Its highly evident that your attempting to set a function to something, or is it in an if? I can
tell this without knowing a lick of VB :)

[View Quote] The highlighted code is:


sdk1 <Hightlight> .AwWhisper(PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER) =
</Highlight> True

PLAYER_ID = sdk1.AwAvatarSession (set as Long)
WELCOME_MESSAGE_NEWPLAYER = (a string read from an ini file) (set as String)

--
- Cozmo Of Cozmo-X
http://cozmo-x.zapto.org
World: A'Dude

Oct 14, 2001, 1:32am

no this is under the avataradd event.....

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Oct 14, 2001, 1:50am

Well then it does appear your attempting to set a function as if it were a varible...

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Oct 14, 2001, 2:11am

no VB knowledge but here's my idea from C :

A constant is a constant value that can only be set from
values that can be evaluated at compile time. Simple
calculations that are evaluated from other constants
are values like that.

Everything that might change its value in any runtime
operation (function results are evaluated at runtime)
always has to be a variable instead of a constant.

If either PLAYER_ID or WELCOME_MESSAGE_NEWPLAYER are
declared constant, the compiler will not allow changes
on runtime. Usually all-uppercase names are used for
constants, to make clear that these cannot be used on
the left side of the "equals"-operator.

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Oct 14, 2001, 3:41am

i always make my variables in caps to make them stand out....and no all i
did for them was Dim PLAYER_ID As Long and so on

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Oct 14, 2001, 4:23am

oh, now I understand this hilite stuff - if I take it out
I can read the code and see the error in it (I guess).

You assign a value to a function !

sdk1.AwWhisper(PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER) = True

A function isn't a good L-Value, not useable for the left side
of the equals sign

just a hint :
You should consult a styleguide sometimes ;)

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Oct 14, 2001, 8:51am

what's the deal with the = True? has nothing at all to do with .AwWhisper, I
don't see why you added it

KAH

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Oct 14, 2001, 2:20pm

if i dont use it it errors me saying i need an = and some value.....i have
always done this becuase it wont let me do otherwise and it usually
works.....basicly the true means DO IT

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Oct 14, 2001, 4:38pm

Maybe VB requires that a return value of a function is
always used? AwWhisper is declared as a function returning
a longint value, that would be :


Dim DummyLong As Long

DummyLong = sdk1.AwWhisper(PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER)


optional :

If (sdk1.AwWhisper(PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER) > 0) Then
Begin <= just an empty statement here, ...
End <= ... I guess in VB it looks like this


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Oct 14, 2001, 4:41pm

For the use of aw_whisper check the documentation, you can't assign a value to a method:
http://www.activeworlds.com/sdk/aw_whisper.htm
http://www.grimmsoft.com/help/index.php?parent=1&item=59&expand=2

On this case just lose the parenthesis:
sdk1.AwWhisper PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER
or if you insist on saying "do it" use:
Call sdk1.AwWhisper (PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER)

Baron


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Oct 14, 2001, 4:46pm

oooohhhh.....thats like the rc thing isnt it? mrgrimm used that in soem
other ones and its like the error code or something....well anyways i get it
now

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Oct 14, 2001, 6:04pm

Nope..

sdk1.AwWhisper(PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER) = True

You get an error for the missing equals sign because you have it in ( ). If
you would just have:

sdk1.AwWhisper PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER

It would work perfectly fine. :-)

--

Lanezeri
Lead Bot Programmer at Stuff-X
http://aw.stuff-x.com


[View Quote]

Oct 14, 2001, 11:31pm

.... or, if you like neatly, consistent formed code for both functions and
procedures, then use Call ...

Call sdk1.AwWhisper(PLAYER_ID, WELCOME_MESSAGE_NEWPLAYER)



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Oct 14, 2001, 11:33pm

Sorry ... Baron already said that.

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