unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Radiogroup: TRadioGroup;

    procedure RadiogroupClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.RadiogroupClick(Sender: TObject);
begin
  with Radiogroup do
   ShowMessage('You  have selected :'+Items[ItemIndex]);
end;

end.
