Check out the help under function declaration to see what stack
alignment do you need,
and who take care of function arguments after it's executed.
Maybe declaring function with stdcall or cdecl might help, depend what
do you want.
function Name:integer; stdcall;
Anothre tip:
I'm warmly recomend to avoid using objects in argument lists, use simple
types and
structures instead, such as PChars instead of strings for the sake of
further maintance.
louis wrote:
>Hi there
>
>I've got a StringList which I create in an application and then pass
>this as a var parameter in an exported function to a DLL. But when I try
>to use the StringList in the DLL, I get an access violation.
>
>So here's the call to the exported function:
>
> ErrList := TStringList.Create;
> try
> URI := GenerateReport(ADOConnection, rfPDF,
> ParamList, ErrList, 'logo.jpg');
>
>And in the DLL:
>
>function GenerateReport(ADOConnection: TADOConnection; Format:
>TReportFormat;
> ParamList: TStringList; var ErrList: TStringList; BitMapFileName:
>String; const bCopy: Boolean = false): String;
>
>Begin
>........
>........
>........
>
>ErrList.Append('whatever'); // Access violation here
>
>End;
>
>The Stringlist is only passed as a var parameter. I'm not trying to
>create it again, but still I get the access violation. Can anyone shed
>some light on the subject?
>
>Cheers
>Louis
>
>
>
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