Function getNormalizedExtentionFromPath

Maple.App/MainPage.cpp:19–25

    using namespace winrt::Windows::UI::Xaml::Media;

    std::string getNormalizedExtentionFromPath(const winrt::hstring& path) {
        auto ext = std::filesystem::path(std::wstring_view(path)).extension().string();
        std::transform(ext.begin(), ext.end(), ext.begin(), [](const auto ch) {
            return static_cast<char>(std::tolower(ch));
            });
        return ext;
    }

    MainPage::MainPage()
    {