Delphi Microsoft Speech Object Library пауза и стоп

interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, SpeechLib_TLB, Vcl.StdCtrls;
 
type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Edit1: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
          gpIVTxt: TSpVoice;
  Voices:ISpeechObjectTokens;
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.Button1Click(Sender: TObject);
begin
gpIVTxt.Speak(edit1.Text,SVSFlagsAsync);
end;
 
procedure TForm1.FormCreate(Sender: TObject);
begin
  gpIVTxt:=TSpVoice.Create(nil);
  Voices:=gpIVTxt.GetVoices('','');
  gpIVTxt.Voice:=Voices.Item(1);
end;
 
end.