unit Unit1;

interface

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

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


TA = class(TObject)
private
procedure Something;
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var a: TA;
begin
a.Something
end;

procedure TForm1.FormCreate(Sender: TObject);
begin

end;

{ TA }

procedure TA.Something;
begin
ShowMessage('TA.Something');
end;


end.