[koiji]

Revise el codigo varias veces y no encontre ningun error simplemente al compilar me manda el error " Access violatio at address 004BA755 in module 'Project3.exe'. Read of address 00000000. " el codigo completo de lo que estoy haciendo es este talves puede ser porque estar utilizando delphi 2010 porque vi que esta compilado en delphi2007

Código Delphi [-]

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, OleServer, SpeechLib_TLB, ActiveX, ComObj, ComCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    cbVoices: TComboBox;
    lstEngineInfo: TListBox;
    Button2: TButton;
    reText: TEdit;
    SpVoice: TSpVoice;
    tbRate: TTrackBar;
    lblRate: TLabel;
    tbVolume: TTrackBar;
    lblVolume: TLabel;
    lstProgress: TProgressBar;
    procedure Button1Click(Sender: TObject);
    procedure cbVoicesChange(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var BeenPaused : Boolean;
begin
  if not BeenPaused then
    SpVoice.Speak(reText.Text, SVSFlagsAsync)
  else
  begin
    SpVoice.Resume;
    BeenPaused := False
  end
end;

procedure TForm1.cbVoicesChange(Sender: TObject);
var
  SOToken: ISpeechObjectToken;
begin
  with lstEngineInfo.Items do
  begin
    Clear;
    SOToken := ISpeechObjectToken(Pointer(
      cbVoices.Items.Objects[cbVoices.ItemIndex]));
    SpVoice.Voice := SOToken;
    Add(Format('Name: %s', [SOToken.GetAttribute('Name')]));
    Add(Format('Vendor: %s', [SOToken.GetAttribute('Vendor')]));
    Add(Format('Age: %s', [SOToken.GetAttribute('Age')]));
    Add(Format('Gender: %s', [SOToken.GetAttribute('Gender')]));
    Add(Format('Language: %s', [SOToken.GetAttribute('Language')]));
    Add(Format('Reg key: %s', [SOToken.Id]));
  end
end;

procedure TForm1.FormCreate(Sender: TObject);
var
  I: Integer;
  SOToken: ISpeechObjectToken;
  SOTokens: ISpeechObjectTokens;
begin
  SendMessage(lstProgress.Handle, LB_SETHORIZONTALEXTENT, Width, 0);
  //Ensure all events fire
  SpVoice.EventInterests := SVEAllEvents;
  //Log('About to enumerate voices');
  SOTokens := SpVoice.GetVoices('', '');
  for I := 0 to SOTokens.Count - 1 do
  begin
    //For each voice, store the descriptor in the TStrings list
    SOToken := SOTokens.Item(I);
    cbVoices.Items.AddObject(SOToken.GetDescription(0), TObject(SOToken));
    //Increment descriptor reference count to ensure it's not destroyed
    SOToken._AddRef;
  end;
  if cbVoices.Items.Count > 0 then
  begin
    cbVoices.ItemIndex := 0; //Select 1st voice
    cbVoices.OnChange(cbVoices); //& ensure OnChange triggers
  end;
  //Log('Enumerated voices');
  //Log('About to check attributes');
  tbRate.Position := SpVoice.Rate;
  lblRate.Caption := IntToStr(tbRate.Position);
  tbVolume.Position := SpVoice.Volume;
  lblVolume.Caption := IntToStr(tbVolume.Position);
  //Log('Checked attributes');
end;

procedure TForm1.FormDestroy(Sender: TObject);
var
  I: Integer;
begin
  //Release all the voice descriptors
  for I := 0 to cbVoices.Items.Count - 1 do
    ISpeechObjectToken(Pointer(cbVoices.Items.Objects[i]))._Release;
end;


end.