добавит задача для установка Directx

#include "layered.iss"

[Setup]
AppName=Hitman Absolution
AppVerName=Hitman Absolution
DefaultDirName={pf}\Hitman Absolution
MinVersion=0,5.1
OutputDir=userdocs:Inno Setup Examples Output

[Languages]
Name: "ru"; MessagesFile: "compiler:Languages\Russian.isl"

[CustomMessages]
ru.BtnCancel=Отмена
ru.BtnBack=<<< Назад
ru.BtnNext=Далее >>>
ru.BtnInstall=Установить
ru.BtnFinish=Завершить
ru.BtnBrowse=Обзор ...
ru.BtnAga=Ага
ru.BtnNea=Неа
ru.MainWelcome=Добро пожаловать
ru.MainSelectdir=Каталог установки
ru.MainSettings=Дополнительные задачи
ru.MainFinish=Завершение
ru.MsgCancel=Вы действительно хотите отменить установку игры Hitman Absolution?
ru.Welcome=Программа установит игру Hitman Absolution на Ваш компьютер.%n%nРекомендуется закрыть антивирусные пакеты, а также все прочие приложения перед тем, как продолжить.%n%nНажмите «Далее», чтобы продолжить.%n%nНажмите «Отмена», чтобы выйти.
ru.Finish=Игра Hitman Absolution была успешно установлена на Ваш компьютер.%n%nДля ее запуска выберите соответствующий ярлык в меню «Пуск» или на Рабочем столе.%n%nНажмите «Завершить», чтобы выйти из программы установки.
ru.set1=Выберите язык игры:
ru.set2=Выберите дополнительные параметры установки:
ru.ru=Русский язык
ru.en=English
ru.po=Установить дополнительное ПО

[files]
Source: "files\*.*"; flags: dontcopy nocompression;
;Source: "data\*.*"; DestDir: "{app}"

[code]
var
  tex_btn, tex_cb, tex_box, tex_pb, tex_btn_close, tex_folder, tex_settings,

  Scene, Scene_cancelform,

  btn_min, btn_close, btn_back, btn_next, btn_cancel, btn_browse,
  btn_close_cancelform, btn_no_cancelform, btn_yes_cancelform,
  btn_box1, btn_box2, btn_box3,

  dir_edit, pb,

  brush_btn_focused, brush_btn_disabled,

  str_main, str_welcome, str_finish, str_selectdir, str_params, str_space,
  str_box1, str_box2,

  img_welcome, img_finish, img_folder, img_settings, img_install: integer;

  CancelForm: TSetupForm; cancel_setup, pause_setup: boolean;

procedure OnPaint(Window: TSetupForm);  var brush, pen, grad: integer;
begin
  brush := lSolidBrushCreate($ee333333);
  pen := lSolidBrushCreate($EE5555FF);

  // серая форма
  lFillRectangle(brush, 0, 0, Window.Width, Window.Height);
  // обводка вокруг
  lDrawRectangle(pen, 0, 0, Window.Width - 1, Window.Height - 1, 1);

  brush := lBrushDelete(brush);
  pen := lBrushDelete(pen);

  // градиентная линия под заголовком. первая(левая часть)
  grad := lGradientBrushCreate(ScaleX(15), ScaleY(25), Window.Width / 2, ScaleY(25), $00222222, $EE5555FF);
    lDrawLine(grad, ScaleX(16), ScaleY(25), Window.Width / 2, ScaleY(25), 1);
  grad := lBrushDelete(grad);

  // вторая(правая часть)
  grad := lGradientBrushCreate(Window.Width / 2, ScaleY(25), Window.Width - ScaleX(15), ScaleY(25), $EE5555FF, $00222222);
    lDrawLine(grad, Window.Width / 2, ScaleY(25), Window.Width - ScaleX(16), ScaleY(25), 1);
  grad := lBrushDelete(grad);

  // заголовок окна
  lStringAlignment(SA_CENTER);
  lStringLineAlignment(SA_CENTER);
  lDrawStringRect(SetupMessage(msgSetupAppTitle), 0, 0, Window.Width, ScaleY(30), SCENE_FONT, SCENE_BRUSH);

  // текст в окне отмены
  if Window = CancelForm then
    begin
      lStringAlignment(SA_NAER);
      lStringLineAlignment(SA_NAER);
      lDrawStringRect(ExpandConstant('{cm:MsgCancel}'), ScaleX(20), ScaleY(45), Window.Width - ScaleX(30), Window.Height - ScaleY(20), SCENE_FONT, SCENE_BRUSH);
    end;
end;

procedure WizardFormOnPaint(layer: Integer);
begin
  OnPaint(WizardForm);
end;

procedure CancelFormOnPaint(layer: Integer);
begin
  OnPaint(CancelForm);
end;

function BtnCreate(Window: Integer; X, Y: Integer; Caption: String; Texture: Integer; Event: TEventProc): Integer;
begin
  result := lCreateWindow(Window, CW_BTNPUSH, X, Y, Caption, Texture);
  lSetWindowLong(result, SWL_EVENTONCLICK, wrapEventProc(Event, 1));
  if Caption <> '' then
    begin
      lSetWindowLong(result, SWL_BRUSHFOCUSED, brush_btn_focused);
      lSetWindowLong(result, SWL_BRUSHDISABLED, brush_btn_disabled);
    end;
end;

procedure CancelFormOnCancel(window: Integer);
begin
  pause_setup := FALSE;
  WizardForm.Enabled := TRUE;
  CancelForm.Hide;
end;

procedure CancelFormOnOk(window: Integer);
begin
  cancel_setup := true;
  lSetProgressState(pb, L_ERROR);
  lSceneApply(Scene);

  CancelForm.Hide;
  WizardForm.Enabled := TRUE;
  MainForm.Close;
end;

type
  TMessage = record hWnd: HWND; msg, wParam: Word; lParam: LongWord; Time: TFileTime; pt: TPoint; end;

function PeekMessage(var lpMsg: TMessage; hWnd: HWND; wMsgFilterMin, wMsgFilterMax, wRemoveMsg: UINT): BOOL; external 'PeekMessageA@user32.dll stdcall';
function TranslateMessage(const lpMsg: TMessage): BOOL; external 'TranslateMessage@user32.dll stdcall';
function DispatchMessage(const lpMsg: TMessage): Longint; external 'DispatchMessageA@user32.dll stdcall';

procedure AppProcessMessage;
var
  Msg: TMessage;
begin
  if not PeekMessage(Msg, 0, 0, 0, 1) then Exit;
    TranslateMessage(Msg); DispatchMessage(Msg);
end;

procedure OnCancel(window: Integer);
begin
  pause_setup := true;
  if CancelForm = nil then
    begin
      CancelForm := CreateCustomForm();
      CancelForm.SetBounds(ScaleX(0), ScaleY(0), ScaleX(400), ScaleY(130));
      CancelForm.BorderStyle := bsNone;
      CancelForm.Caption := SetupMessage(msgExitSetupTitle);
      CancelForm.Font := WizardForm.Font;
      CancelForm.FormStyle := fsStayOnTop;

      Scene_cancelform := lSceneCreate(CancelForm.Handle);
      lSceneSetLong(Scene_cancelform, SSL_BRUSH, lSolidBrushCreate($FFAAAAAA));
      lSceneSetLong(Scene_cancelform, SSL_FONT, lFontCreate(CancelForm.Font.Handle));
      lSceneAddlayer(Scene_cancelform);
      lSceneSetLong(Scene_cancelform, SSL_PAINTEVENT, wrapEventProc(@CancelFormOnPaint, 1));
      lSceneMoving(Scene_cancelform, 0, 0, ScaleX(45), ScaleY(105));

      btn_close_cancelform := BtnCreate(Scene_cancelform, ScaleX(354), ScaleY(1), '', tex_btn_close, @CancelFormOnCancel);
      btn_no_cancelform := BtnCreate(Scene_cancelform, ScaleX(280), ScaleY(90), ExpandConstant('{cm:BtnNea}'), tex_btn, @CancelFormOnCancel);
      btn_yes_cancelform := BtnCreate(Scene_cancelform, ScaleX(170), ScaleY(90), ExpandConstant('{cm:BtnAga}'), tex_btn, @CancelFormOnOk);
    end;

  WizardForm.Enabled := FALSE;

  CancelForm.Left := WizardForm.Left + ScaleX(100);
  CancelForm.Top := WizardForm.Top + ScaleY(150);
  CancelForm.Visible := TRUE;

  lSceneApply(Scene_cancelform);

  if WizardForm.CurPageID = wpInstalling then
    begin
      lSetProgressState(pb, L_PAUSE);
      lSceneApply(Scene);
      while CancelForm.Visible do
        begin
          if cancel_setup then exit;
          if not CancelForm.Visible then exit;
          AppProcessMessage();  // затормозит установку
        end;
    end;
end;

procedure OnMin(window: Integer);
begin
  PostMessage(WizardForm.Handle, $0112, 61472, 0);
end;

procedure OnBack(window: Integer);
begin
  WizardForm.BackButton.OnClick(WizardForm.BackButton);
end;

procedure OnNext(window: Integer);
begin
  WizardForm.NextButton.OnClick(WizardForm.NextButton);
end;

procedure OnBrowse(window: Integer);
begin
  WizardForm.DirBrowseButton.OnClick(WizardForm.DirBrowseButton);
  lSetWindowText(dir_edit, WizardForm.DirEdit.Text);
end;

procedure EditOnChange(window: Integer);
begin
  WizardForm.DirEdit.Text := lGetWindowText(window);
end;

procedure OnLang1(window: Integer);
begin
  lSetBtnChecked(btn_box1, TRUE);
  lSetBtnChecked(btn_box2, FALSE);
end;

procedure OnLang2(window: Integer);
begin
  lSetBtnChecked(btn_box2, TRUE);
  lSetBtnChecked(btn_box1, FALSE);
end;

procedure InitializeWizard(); var Font: TFont;
begin
  ExtractTemporaryFile('layered.dll');
  ExtractTemporaryFile('CallbackCtrl.dll');
  ExtractTemporaryFile('btn.png');
  ExtractTemporaryFile('cb.png');
  ExtractTemporaryFile('progress.png');
  ExtractTemporaryFile('edit.png');
  ExtractTemporaryFile('min.png');
  ExtractTemporaryFile('close.png');
  ExtractTemporaryFile('f.png');
  ExtractTemporaryFile('w.png');
  ExtractTemporaryFile('folder.png');
  ExtractTemporaryFile('set.png');
  ExtractTemporaryFile('c.png');
  ExtractTemporaryFile('s0.jpg');

  cancel_setup := false;

  lStartup();

  WizardForm.Width := ScaleX(600);
  WizardForm.Height := ScaleY(400);
  WizardForm.OuterNotebook.Hide; // обязательно
  WizardForm.BorderStyle := bsNone; // обязательно
  WizardForm.Bevel.Hide; // обязательно
  WizardForm.CancelButton.Width := ScaleX(0); // кнопки лучше скрыть
  WizardForm.NextButton.Width := ScaleX(0);
  WizardForm.BackButton.Width := ScaleX(0);
  WizardForm.Font.Name := 'Lucida Console';
  WizardForm.Font.Size := WizardForm.Font.Size + 1;

  Font := TFont.Create;
  Font.Name := 'Calibri';
  Font.Style := [fsBold];
  Font.Size := 18;

  tex_btn := lTextureCreateW(ExpandConstant('{tmp}\btn.png'));
  tex_cb := lTextureCreateW(ExpandConstant('{tmp}\cb.png'));
  tex_pb := lTextureCreateW(ExpandConstant('{tmp}\progress.png'));
  tex_btn_close := lTextureCreateW(ExpandConstant('{tmp}\close.png'));
  tex_settings := lTextureCreateW(ExpandConstant('{tmp}\set.png'));
  tex_box := lTextureCreateW(ExpandConstant('{tmp}\c.png'));
  tex_folder := lTextureCreateW(ExpandConstant('{tmp}\folder.png'));

  brush_btn_focused := lSolidBrushCreate($FFEEEEEE);
  brush_btn_disabled := lSolidBrushCreate($FF555555);

  Scene := lSceneCreate(WizardForm.Handle);
  lSceneSetBrush(Scene, lSolidBrushCreate($FFAAAAAA));
  lSceneSetFont(Scene, lFontCreate(WizardForm.Font.Handle));
  lSceneAddlayer(Scene);
  lSceneSetLong(Scene, SSL_PAINTEVENT, wrapEventProc(@WizardFormOnPaint, 1));
  lSceneMoving(Scene, 0, 0, ScaleX(72), ScaleY( 375));

  str_main := lStrLoad(Scene, ExpandConstant('{cm:MainWelcome}'), ScaleX(260), ScaleY(50), ScaleX(400), ScaleY(40), FALSE);
  lStrSetFont(str_main, lFontCreate(Font.Handle));

  str_welcome := lStrLoad(Scene, ExpandConstant('{cm:Welcome}'), ScaleX(260), ScaleY(100), ScaleX(300), ScaleY(300), FALSE);
  str_finish := lStrLoad(Scene, ExpandConstant('{cm:Finish}'), ScaleX(27), ScaleY(100), ScaleX(300), ScaleY(300), FALSE);
  lStrSetVisibility(str_finish, FALSE);

  str_selectdir := lStrLoad(Scene, SetupMessage(msgSelectDirBrowseLabel), ScaleX(85), ScaleY(110), ScaleX(500), ScaleY(50), FALSE);
  str_params := lStrLoad(Scene, SetupMessage(msgSelectTasksDesc), ScaleX(85), ScaleY(110), ScaleX(500), ScaleY(50), FALSE);
  lStrSetVisibility(str_selectdir, False);
  lStrSetVisibility(str_params, False);
  str_space := lStrLoad(Scene, WizardForm.DiskSpaceLabel.Caption, ScaleX(27), ScaleY(320), 0, 0, TRUE);
  lStrSetVisibility(str_space, False);

  img_welcome := lImgLoad(Scene, lTextureCreateW(ExpandConstant('{tmp}\w.png')), ScaleX(5), ScaleY(20), 0, 0, TRUE);
  img_finish := lImgLoad(Scene, lTextureCreateW(ExpandConstant('{tmp}\f.png')), ScaleX(290), ScaleY(20), 0, 0, TRUE);
  lImgSetVisibility(img_finish, FALSE);

  img_folder := lImgLoad(Scene, tex_folder, ScaleX(27), ScaleY(100), ScaleX(45), ScaleY(45), FALSE);
  img_settings := lImgLoad(Scene, tex_settings, ScaleX(27), ScaleY(100), ScaleX(45), ScaleY(45), FALSE);
  lImgSetVisibility(img_folder, FALSE);
  lImgSetVisibility(img_settings, FALSE);

  btn_min := BtnCreate(Scene, ScaleX(528), ScaleY(1), '', lTextureCreateW(ExpandConstant('{tmp}\min.png')), @OnMin);
  btn_close := BtnCreate(Scene, ScaleX(554), ScaleY(1), '', tex_btn_close, @OnCancel);
  btn_back := BtnCreate(Scene, ScaleX(245), ScaleY(360), ExpandConstant('{cm:BtnBack}'), tex_btn, @OnBack);
  btn_next := BtnCreate(Scene, ScaleX(357), ScaleY(360), ExpandConstant('{cm:BtnNext}'), tex_btn, @OnNext);
  btn_cancel := BtnCreate(Scene, ScaleX(475), ScaleY(360), ExpandConstant('{cm:BtnCancel}'), tex_btn, @OnCancel);
  btn_browse := BtnCreate(Scene, ScaleX(465), ScaleY(170), ExpandConstant('{cm:BtnBrowse}'), tex_btn, @OnBrowse);
  lSetWindowVisibility(btn_back, FALSE);
  lSetWindowVisibility(btn_browse, FALSE);

  dir_edit := lCreateWindow(Scene, CW_EDIT, ScaleX(27), ScaleY(170), WizardForm.DirEdit.Text, lTextureCreateW(ExpandConstant('{tmp}\edit.png')));
  lSetWindowLong(dir_edit, SWL_EVENTCHANGE, wrapEventProc(@EditOnChange, 1));
  lSetWindowLong(dir_edit, SWL_BRUSHDISABLED, brush_btn_disabled);
  lSetWindowLong(dir_edit, SWL_BRUSHFOCUSED, brush_btn_focused);
  lSetWindowVisibility(dir_edit, FALSE);

  str_box1 := lStrLoad(Scene, ExpandConstant('{cm:set1}'), ScaleX(27), ScaleY(170), 0, 0, TRUE);
  btn_box1 := lCreateWindow(Scene, CW_BTNCHECK, ScaleX(40), ScaleY(190), ExpandConstant('{cm:ru}'), tex_box);
  lSetWindowLong(btn_box1, SWL_EVENTONCLICK, wrapEventProc(@OnLang1, 1));
  btn_box2 := lCreateWindow(Scene, CW_BTNCHECK, ScaleX(40), ScaleY(220), ExpandConstant('{cm:en}'), tex_box);
  lSetWindowLong(btn_box2, SWL_EVENTONCLICK, wrapEventProc(@OnLang2, 1));
  str_box2 := lStrLoad(Scene, ExpandConstant('{cm:set2}'), ScaleX(27), ScaleY(245), 0, 0, TRUE);
  btn_box3 := lCreateWindow(Scene, CW_BTNCHECK, ScaleX(40), ScaleY(265), ExpandConstant('{cm:po}'), tex_cb);
  lSetBtnChecked(btn_box2, FALSE);
  lSetWindowVisibility(btn_box1, FALSE);
  lSetWindowVisibility(btn_box2, FALSE);
  lSetWindowVisibility(btn_box3, FALSE);
  lStrSetVisibility(str_box1, FALSE);
  lStrSetVisibility(str_box2, FALSE);

  pb := lCreateWindow(Scene, CW_PROGRESS, ScaleX(17), ScaleY(360), '', lTextureCreateW(ExpandConstant('{tmp}\progress.png')))
  lSetWindowVisibility(pb, FALSE);

  img_install := lImgLoad(Scene, lTextureCreateW(ExpandConstant('{tmp}\s0.jpg')), ScaleX(10), ScaleY(35), 0, 0, TRUE);
  lImgSetVisibility(img_install, FALSE);

  lSceneApply(Scene);
  Font.Free;
end;

procedure CancelButtonClick(CurPageID: Integer; var Cancel, Confirm: Boolean);
begin
  Confirm := false;
  if cancel_setup then
  begin
    lSetProgressState(pb, L_ERROR);
    lSceneApply(Scene);
  end;
  Cancel := cancel_setup;
end;

type
  TTimerProc = procedure(hwnd: HWND; uMsg: Uint; idEvent: Longint; dwTime: Dword);

function wrapTimerProc(callback: TTimerProc; paramcount: integer): longword;external 'wrapcallbackaddr@{tmp}\callbackctrl.dll stdcall delayload';
function SetTimer(hwnd: HWND; nIDEvent: Longint; uElapse: Uint; lpTimerFunc: Longint): Longint; external 'SetTimer@user32';
function KillTimer(hwnd: HWND; nIDEvent: Longint): Bool; external 'KillTimer@user32';

procedure UpdateOnTimer(hwnd: HWND; uMsg: Uint; idEvent: Longint; dwTime: Dword);
var
  Value: Integer;
begin
  Value := WizardForm.ProgressGauge.Position * 100 div WizardForm.ProgressGauge.Max;
  if not pause_setup then
    begin
      lSetProgressValue(pb, Value);

  //if (Value = 20) then begin ImgSetVisible(Slides[0], FALSE); ImgSetVisible(Slides[1], TRUE); end;
  //if (Value = 40) then begin ImgSetVisible(Slides[1], FALSE); ImgSetVisible(Slides[2], TRUE); end;
  //if (Value = 60) then begin ImgSetVisible(Slides[2], FALSE); ImgSetVisible(Slides[3], TRUE); end;
  //if (Value = 80) then begin ImgSetVisible(Slides[3], FALSE); ImgSetVisible(Slides[4], TRUE); end;

      lSceneApply(Scene);
    end;
end;

procedure CurPageChanged(CurPageID: Integer);
begin
  lSetWindowText(btn_next, ExpandConstant('{cm:BtnNext}'));
  lSetWindowVisibility(dir_edit, FALSE);
  lSetWindowVisibility(btn_browse, FALSE);
  lImgSetVisibility(img_folder, FALSE);
  lImgSetVisibility(img_settings, FALSE);
  lStrSetVisibility(str_selectdir, FALSE);
  lStrSetVisibility(str_params, FALSE);
  lStrSetVisibility(str_space, FALSE);
  lSetWindowVisibility(btn_box1, FALSE);
  lSetWindowVisibility(btn_box2, FALSE);
  lSetWindowVisibility(btn_box3, FALSE);
  lStrSetVisibility(str_box1, FALSE);
  lStrSetVisibility(str_box2, FALSE);

  case CurPageID of
    wpWelcome: begin
      lStrSetVisibility(str_welcome, TRUE);
      lImgSetVisibility(img_welcome, TRUE);
      lStrSetPosition(str_main, ScaleX(260), ScaleY(50), ScaleX(300), ScaleY(30));
      lStrSetCaption(str_main, ExpandConstant('{cm:MainWelcome}'));

      lSetWindowVisibility(btn_back, FALSE);
    end;

    wpSelectDir: begin
      lStrSetVisibility(str_welcome, FALSE);
      lImgSetVisibility(img_welcome, FALSE);
      lStrSetPosition(str_main, ScaleX(27), ScaleY(50), ScaleX(300), ScaleY(30));
      lStrSetCaption(str_main, ExpandConstant('{cm:MainSelectdir}'));
      lImgSetVisibility(img_folder, TRUE);
      lStrSetVisibility(str_selectdir, TRUE);
      lStrSetVisibility(str_space, TRUE);
      lSetWindowVisibility(dir_edit, TRUE);
      lSetWindowVisibility(btn_back, TRUE);
      lSetWindowVisibility(btn_browse, TRUE);
    end;

    wpReady: begin
      lStrSetVisibility(str_params, TRUE);
      lImgSetVisibility(img_settings, TRUE);
      lStrSetCaption(str_main, ExpandConstant('{cm:MainSettings}'));
      lSetWindowText(btn_next, ExpandConstant('{cm:BtnInstall}'));

      lSetWindowVisibility(btn_box1, TRUE);
      lSetWindowVisibility(btn_box2, TRUE);
      lSetWindowVisibility(btn_box3, TRUE);
      lStrSetVisibility(str_box1, TRUE);
      lStrSetVisibility(str_box2, TRUE);
    end;

    wpInstalling: begin
      SetTimer(WizardForm.Handle, 2240, 30, wrapTimerProc(@UpdateOnTimer, 4));
      lSetWindowVisibility(pb, TRUE);
      lImgSetVisibility(img_install, TRUE);
      lStrSetVisibility(str_main, FALSE);
      lSetWindowVisibility(btn_back, FALSE);
      lSetWindowVisibility(btn_next, FALSE);
    end;

    wpFinished: begin
      KillTimer(WizardForm.Handle, 2240);
      lSetWindowVisibility(pb, FALSE);
      lImgSetVisibility(img_install, FALSE);
      lStrSetVisibility(str_finish, TRUE);
      lImgSetVisibility(img_finish, TRUE);
      lStrSetVisibility(str_main, TRUE);
      lStrSetCaption(str_main, ExpandConstant('{cm:MainFinish}'));
      lSetWindowVisibility(btn_cancel, FALSE);
      lSetWindowText(btn_next, ExpandConstant('{cm:BtnFinish}'));
      lSetWindowPos(btn_next, lGetWindowPos(btn_cancel).Left, lGetWindowPos(btn_cancel).Top);
      lSetWindowVisibility(btn_next, TRUE);
      lSetWindowEnabled(btn_close, FALSE);
    end;
  end;

  lSceneApply(Scene);
end;

procedure DeinitializeSetup();
begin
  lShutdown;
end;

procedure CurStepChanged(CurStep: TSetupStep);
begin
  if CurStep = ssPostInstall then
    begin
      if lGetBtnChecked(btn_box1) then MsgBox('Rus', mbInformation, MB_OK);
      if lGetBtnChecked(btn_box2) then MsgBox('Eng', mbInformation, MB_OK);
      if lGetBtnChecked(btn_box3) then MsgBox('ПО Установлено', mbInformation, MB_OK);
    end;
end;