Tìm kiếm văn bản trong PPT bằng C++

auto presentation = MakeObject<Presentation>(u"presentation.ppt");

auto slide = presentation->get_Slides()->idx_get(0);
auto textFrames = SlideUtil::GetAllTextBoxes(slide);

for (auto&& textFrame : textFrames)
{
    auto text = textFrame->get_Text();
    if (text.Contains(u"PowerPoint"))
    {
        Console::WriteLine(text);
    }
}

presentation->Dispose();