unit1.pas

delphi_DLL例程,是一个实用的DLL的例子.

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
 function num(x,y:integer):integer;external 'Project2.dll';
 function     str_r:integer; external 'Project2.dll';
{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
edit1.Text:=inttostr(num(8,9));
end;

end.