procedure TfiePrnForm3.FormActivate(Sender: TObject);
var
  i, idx: integer;
begin
  Screen.Cursor := crHourglass;
  try
    Application.ProcessMessages; // first draws all controls (to avoid "Swiss Cheese")
    ImageEnMView1.Clear; //fix add by myself
    ImageEnMView1.LockUpdate;
    fActivating := true;

    if IEGlobalSettings().UseButtonGlyphsInDialogs = False then
    begin
      btnPrint.Glyph := nil;
      btnSetup.Glyph := nil;
      btnCancel.Glyph := nil;
      cmbPosition.Style := csDropDownList;
    end;
    fOriginalDlgWidth  := ClientWidth;
    fOriginalDlgHeight := ClientHeight;
    LoadParameters;
    ImageEnMView1.FillThumbnail := false;  
    ImageEnMView1.SetModernStyling;   
    ImageEnMView1.SideGap := 6;
    ImageEnMView1.Background := clBtnFace;
    ImageEnMView1.GradientEndColor := clGray;
    ImageEnMView1.ThumbnailDisplayFilter := rfLanczos3;
    ImageEnMView1.ThumbnailsBorderColor := clSilver;
    
    // load ImageEnMView1
    srcview := mio.AttachedMView as TImageEnMView;

    for i := 0 to srcview.ImageCount - 1 do
    begin
      idx := ImageEnMView1.AppendImage;
      ImageEnMView1.SetIEBitmapEx(idx, srcview.GetTIEBitmap(i));
      srcview.ReleaseBitmap(idx, false); // list index error is thrown here

      if srcview.ImageTopText[i] <> '' then
        ImageEnMView1.ImageTopText[idx] := srcview.ImageTopText[i]
      else
      if srcview.ImageBottomText[i] <> '' then
        ImageEnMView1.ImageTopText[idx] := srcview.ImageBottomText[i]
      else
      ImageEnMView1.ImageTopText[idx] := 'Image ' + IntToStr(i + 1);
      if PrintAnnotations then
        ImageEnMView1.MIO.Params[idx].Assign( srcview.MIO.Params[i] );
    end;
    ImageEnMView1.SelectedImage := 0;

    // Get our selection from the source
    if srcview.MultiSelectedImagesCount > 0 then
      ImageEnMView1.CopySelection(srcview);

    cmbPrintSelector.ItemIndex := 0;

    fActivating := false;
    ImageSelect;        
    SetLanguage_units;
  finally
    ImageEnMView1.UnlockUpdate;
    Screen.Cursor := crDefault;
  end;
end;