unit uMain;

interface

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

type
  TFrmMain = class(TForm)
    btnStart: TRzBitBtn;
    mmMsg: TMemo;
    procedure btnStartClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FrmMain: TFrmMain;

implementation

{$R *.dfm}

procedure TFrmMain.btnStartClick(Sender: TObject);
var
  voice: OLEVariant;
begin
  voice := CreateOLEObject(‘SAPI.SpVoice‘);
  voice.Speak(mmMsg.Lines.Text, 0);
end;

end.