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DLL Talk / Simple DB callable dll

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Master Xilo
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Posted: 11th Jan 2009 18:27 Edited at: 11th Jan 2009 18:28
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All the code:





EDIT:
nothing changes if I call it with just

It says "could not call dll function".

If I do the same, but with this EXPORT define:

Then it just works in GameMaker, what's wrong with my "DB-version"?

thx

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IanM
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Posted: 11th Jan 2009 19:03
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The name of that function in the compiled DLL is NOT MB - it's '?MB@@YAXXZ', which is the C++ mangled name (used to allow functions of the same name to be overloaded with different alternatives).

If you define EXPORT like you do for GameMaker then it will be MB because you will have told it to compile for C, which doesn't use mangled names.

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Master Xilo
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Posted: 11th Jan 2009 19:09
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OK
Now how would I make this command useable like any DB command?
Can I just put the dll in the "Compiler/pluginsuser" folder?

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IanM
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Posted: 11th Jan 2009 19:24
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If this is a DBPro plug-in (which you didn't state originally) then ...

You'd read the 'Technical Documents->Third Party Commands' in the DBPro help files

However, add the following resource string to your DLL:


Then drop the file into you plugins-user folder.

If this is a DB plug-in, then you just place the DLL into your project folder and use the LOAD DLL/CALL DLL stuff.

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Master Xilo
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Posted: 11th Jan 2009 19:32
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Where to add that string?

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IanM
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Posted: 11th Jan 2009 19:50
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Add a resource string to your project.
If you are using a version of C++ that doesn't include a resource editor, then get one of the editors at the bottom of this page

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Master Xilo
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Posted: 11th Jan 2009 19:54
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Ok, I see, and I read the
Quote: "'Technical Documents->Third Party Commands'"

too
Thank you!

Now back to my normal dll callable by these LOAD DLL/CALL DLL functions:
I want it to create a dialog box specified in the resource file, but it doesn't work. (meaning there's just nothing showing up)
Message boxes (MessageBox) work however.



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Master Xilo
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Posted: 22nd Jan 2009 18:26
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anyone?

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