imgThumbs.MIO.PrintPreviewParams.PrintSelected := True;
  imgThumbs.MIO.DoPrintPreviewDialog('Imprimir', True, 'Visualizar Impressão', False);

procedure TImageEnMViewHelper.PrintCheckedImages;
var
  I: Integer;
  LWasMultiSelect: Boolean;
begin

  LWasMultiSelect := Self.EnableMultiSelect;
  LockUpdate;

  try
    EnableMultiSelect := True;
    Deselect;
    BeginSelectImages(True);

    for I := 0 to ImageCount - 1 do
      if Checked[I] then
        SelectedImage := I;

    EndSelectImages;

    if CheckedCount > 0 then
      MIO.PrintPreviewParams.PrintSelected := True;

    MIO.DoPrintPreviewDialog('Imprimir', True, 'Visualizar Impressão', False);

  finally
    EnableMultiSelect := LWasMultiSelect;
    UnlockUpdate;
  end;

end;

procedure TImageEnMViewHelper.PrintAllOrCheckedPages;
var
  TempView: TImageEnMView;
  I, PaginaAtual: Integer;
  ieBmp: TIEBitmap;
begin

  if Self.ImageCount = 0 then begin
    ShowAlerta('Nenhuma imagem sendo exibida para ser impressa!');
    Exit;
  end;

  if Self.CheckedCount = 0 then
    Self.MIO.DoPrintPreviewDialog('Imprimir', True, 'Visualizar Impressão', False)
  else begin

    PaginaAtual := Self.SelectedImage;
    ieBmp := TIEBitmap.Create;
    TempView := TImageEnMView.Create(nil);
    TempView.MIO.PrintPreviewParams.DlgMaximized := True;
    TempView.MIO.PrintPreviewParams.MarginTop := 0;
    TempView.MIO.PrintPreviewParams.MarginLeft := 0;
    TempView.MIO.PrintPreviewParams.MarginRight := 0;
    TempView.MIO.PrintPreviewParams.MarginBottom := 0;
    TempView.AnnotationsVisible := True;

    Self.LockUpdate;

    try

      for I := 0 to Self.ImageCount - 1 do begin

        Self.SelectedImage := I;

        if Self.Checked[i] then begin
          ieBmp.AssignImage(Self.IEBitmap);
          TempView.InsertImage(TempView.ImageCount,ieBmp);
        end;

      end;

      TempView.SelectedImage := 0;
      TempView.MIO.DoPrintPreviewDialog('Imprimir', True, 'Visualizar Impressão', False);

    finally
      ieBmp.Free;
      TempView.Free;
      Self.SelectedImage := PaginaAtual;
      Self.UnlockUpdate;
    end;

  end;

end;