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unit CallDll2;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    SpinEdit1: TSpinEdit;
    Memo1: TMemo;
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  procedure SystemAbout(Title, Content:String); StdCall;
  function InCrease(MyValue:Integer):Integer; StdCall;

implementation

procedure SystemAbout; External 'ABOUT2.DLL'
                        name 'SystemAbout';
function InCrease; external 'ABOUT2.DLL' name 'InCrease';
{$R *.DFM}

procedure TForm1.Button2Click(Sender: TObject);
var
    i, j: Integer;
    NowValue: Integer;
    AddStr: String;
begin
    Memo1.Clear;
    j := SpinEdit1.Value;
    for i:= 0 to 300 do
    begin
        NowValue := InCrease(j+i);
        AddStr := IntToStr(NowValue);
        Memo1.Lines.Add(AddStr);
    end;
end;

end.

-------------

unit WMain;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, FileCtrl, ExtCtrls, Spin;

type
  TWatchForm = class(TForm)
    Panel1: TPanel;
    PaintBox1: TPaintBox;
    AMPMBox: TFilterComboBox;
    HourEdit: TSpinEdit;
    MinEdit: TSpinEdit;
    SecEdit: TSpinEdit;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    TimeSet1: TButton;
    CancelBtn: TButton;
    ChangeBtn: TButton;
    Timer1: TTimer;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  WatchForm: TWatchForm;

implementation

{$R *.DFM}

end.