unit UMain;

interface

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

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

var
  Form1: TForm1;

implementation

{$R *.dfm}


procedure xFazlasi(out sonuc:Integer;girdix:Integer;eklenecekx:Integer);
begin
  sonuc:=girdix+eklenecekx;
end;


procedure TForm1.Button1Click(Sender: TObject);
  var
   parametredeki_deger:Integer;
begin
   xFazlasi(parametredeki_deger,5,8);
   ShowMessage(IntToStr(parametredeki_deger));
end;
end.