Dll and Autoit

[brunomusw]

Hi...

I create a DLL in C, on my DLL I'm acessing the windows DLL.

I'm having problem when I pass a parameter to the DLL's function, the functions executes but after finished, the Autoit crashes.

But when I execute the same function without passing parameters (the parameters are already on the DLL) the Autoit runs ok.

Any thoughts?

Brunomusw

[Authenticity]

Can you post some function definition and how you call it from AutoIt?

[Richard Robertson]

You are using the wrong calling convention. Try adding ":cdecl" on the end of the return type, like "int:cdelc". See if that helps.

[brunomusw]

You are using the wrong calling convention. Try adding ":cdecl" on the end of the return type, like "int:cdelc". See if that helps.

Richard thanks for the ideia, it didn't work but I could find the way.

The cdecl didn't work because I was calling a function on Win32 so I use the _stdcall. So the call function on C stays:

__declspec(dllexport) int _stdcall SF_Beep(DWORD par1, DWORD par2);

Thanks...

Brunomusw

[Richard Robertson]

Well, the crash sounded like a problem with the calling convention. It may also be that you are using the wrong parameter types. May I see the AutoIt DllCall you wrote?

[brunomusw]

Well, the crash sounded like a problem with the calling convention. It may also be that you are using the wrong parameter types. May I see the AutoIt DllCall you wrote?

Richard, It worked with the _stdcall and the function stay like I said:

CODE

__declspec(dllexport) int _stdcall SF_Beep(DWORD par1, DWORD par2);

regards,

Brunomusw

[monoceres]

You forgot to post your autoit code.

[brunomusw]

You forgot to post your autoit code.

The autoit function.

Func ConfigRTSDTR( $rts,$dtr )
 $dll = DllOpen("SerialFuncs.dll")
 $ret = DllCall("SerialFuncs.dll", "int", "ConfigRTSDTR","dword",$rts,"dword",$dtr)
EndFunc

Brunomusw

[Richard Robertson]

That should be DllCall($dll, ...)

[monoceres]

That should be DllCall($dll, ...)

Shouldn't matter though.

@OP, you're trying to call ConfigRTSDTR when you posted the declaration for SF_Beep(). ANy thoughts on that?