VB and Linking to DLLs...

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3 total messages Started by Kenneth W. Rich Tue, 17 Nov 1992 20:15

#316

Author: Kenneth W. Rich
Date: Tue, 17 Nov 1992 20:15

14 lines
870 bytes

I am about to go crazy.  A few months ago I was able to declare
API fuctions and use them in Visual Basic.  Recently, however, I
can't seem to get it to work.  The error I am getting when I try
to call a defined function from API is "Bad DLL Calling Convention"
It shows up during runtime when VB calls the external function.
I have checked and double checked everything about four times
and everything seems to be correct.


Thanks for any insights provided.


Ken.

Re: VB and Linking to DLLs...

#356

Author: Phillip Cooper
Date: Thu, 19 Nov 1992 17:02

18 lines
1013 bytes

In article <kenneth.722031336@ponder> kenneth@ponder.csci.unt.edu (Kenneth W. Rich) writes:
>
>I am about to go crazy.  A few months ago I was able to declare
>API fuctions and use them in Visual Basic.  Recently, however, I
>can't seem to get it to work.  The error I am getting when I try
>to call a defined function from API is "Bad DLL Calling Convention"
>It shows up during runtime when VB calls the external function.
>I have checked and double checked everything about four times
>and everything seems to be correct.
>
>
>Thanks for any insights provided.
>

The VB support group at (900)896-9876 should be be able to help
you out with this. 

Phil Cooper

Re: VB and Linking to DLLs...

#351

Author: Galen Raben
Date: Thu, 19 Nov 1992 17:09

22 lines
1262 bytes

In alt.lang.basic, kenneth@ponder.csci.unt.edu (Kenneth W. Rich) writes:

>I am about to go crazy.  A few months ago I was able to declare
>API fuctions and use them in Visual Basic.  Recently, however, I
>can't seem to get it to work.  The error I am getting when I try
>to call a defined function from API is "Bad DLL Calling Convention"
>It shows up during runtime when VB calls the external function.
>I have checked and double checked everything about four times
>and everything seems to be correct.

>Thanks for any insights provided.

>Ken.

Did you check to see if you are truly calling a "function" or a "procedure"?
If you declared a function as a procedure or vice-versa you can get this
error...

Did you try giving the full pathname to the dll?  (this one sometimes bites,
especially if your dll is not in the DOS path...)  

- Galen -

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