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DarkBASIC Discussion / Exported Variable?

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Caleb1994
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Posted: 27th Jul 2009 20:57
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is it possible to access exported variables in a dll from dbc?

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TheComet
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Posted: 27th Jul 2009 21:49
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It matters how and where the DLL saves the variables... Can you give some more info?

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Caleb1994
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Posted: 27th Jul 2009 22:40
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if you know anything about c++ and dll's then here is how you export a function



i know it is possible to export a variable in a dll like this:



but i don't know how to access it from dbc.

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empty
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Posted: 27th Jul 2009 22:45 Edited at: 27th Jul 2009 22:46
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You can't. Only exported functions are supported.

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Latch
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Posted: 27th Jul 2009 22:47 Edited at: 27th Jul 2009 22:48
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If it's a dll call, assign it to a variable in DBC by returning the variable from the dll function:

c/c++



DBC



Or maybe I don't understand the question.

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Posted: 27th Jul 2009 23:00 Edited at: 27th Jul 2009 23:02
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Well, some languages like C(++) allow you to export variables.
So a call to GetProcAdress returns the pointers to these variables.

Unfortunately there's not a lot you can do with these pointers in DBC.

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Caleb1994
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Posted: 27th Jul 2009 23:10
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Quote: "If it's a dll call, assign it to a variable in DBC by returning the variable from the dll function:
"


Ya i got the exported function part lol. but thanks

Quote: "
Well, some languages like C(++) allow you to export variables.
So a call to GetProcAdress returns the pointers to these variables.

Unfortunately there's not a lot you can do with these pointers in DBC. "


Ok! thats what i needed to know thanks!

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Latch
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Posted: 27th Jul 2009 23:24
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Oh, ok. So why not just setup the type of variable pointer you need and swap the values with a memblock pointer? Or is it not the same goal?



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Caleb1994
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Posted: 28th Jul 2009 00:20
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Ya that would work. it was more like a random question just seeing if it was possible.

thanks for all your help.

apperantly theres more c++ code on this thread then dbc code (no dbc code actually lol)

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TheComet
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Posted: 28th Jul 2009 13:09
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Quote: "no dbc code actually lol"




Now there is.

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Caleb1994
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Posted: 28th Jul 2009 23:09
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lol thanks now it has something dbc in it lol

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Bluestar4
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Posted: 30th Jul 2009 17:02
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Quote: "is it possible to access exported variables in a dll from dbc"

hello caleb, Yes , its totally possible if the function in the dll returns something.

code for dll :


sample code for db:


for your convienance I have uploaded a small file that you can keep for a reference

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Posted: 30th Jul 2009 17:19
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I think you missed the point a bit...
This is about exported VARIABLES not about exported functions.

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Caleb1994
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Posted: 30th Jul 2009 22:40
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Ha Ya i geuss i wasn't too Clear


I know how to access exported FUNCTIONS.

i am trying to figure out if i can access exported VARIABLES

but the question has already been awnsered. thankyou for your time and help.

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