DLLs

[ByStones2]

Zitat von Bernhard Geyer:

Schau dir mal das Tutorial bei dsdt an.

ich habs mir mal durchgelesen und hab auch aales gemacht:

Delphi-Quellcode:

[Error] Unit1.pas(13): E2065 Unsatisfied forward or external declaration: 'TForm1.addiere'
[Fatal Error] mathe.dpr(5): F2063 Could not compile used unit 'Unit1.pas'

Mein Code:

Delphi-Quellcode:

unit Unit1;

interface


uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    function addiere(zahl1, zahl2: integer): integer; stdcall;
  private
    { Private declarations }
  public
    { Public declarations }
  end;


var
  Form1: TForm1;

implementation

{$R *.dfm}

function addiere(zahl1, zahl2: integer): integer; stdcall;
external 'rechnen.dll';

end.

Mein DLL:

Delphi-Quellcode:

library rechnen;

{ Important note about DLL memory management: ShareMem must be the
  first unit in your library's USES clause AND your project's (select
  Project-View Source) USES clause if your DLL exports any procedures or
  functions that pass strings as parameters or function results. This
  applies to all strings passed to and from your DLL--even those that
  are nested in records and classes. ShareMem is the interface unit to
  the BORLNDMM.DLL shared memory manager, which must be deployed along
  with your DLL. To avoid using BORLNDMM.DLL, pass string information
  using PChar or ShortString parameters. }

uses
  SysUtils,
  Classes;

{$R *.res}


function addiere(zahl1, zahl2: integer): integer; stdcall;
begin
  result := zahl1+zahl2;
end;

exports
  addiere;

begin

end.

ich hab keine Ahnung wo der Fehler liegt !!!