//Edit the bookmarks title, color, style... then save them to a new pdf.
void FunctionDemo::MainPage::outline_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
	StorageFolder^ documentFolder = Windows::Storage::KnownFolders::DocumentsLibrary;
	create_task(documentFolder->GetFileAsync("Outline.pdf")).then([=](StorageFile^ file) {
		try
		{
			m_doc = ref new FSPDFDoc(file,0);
			if (!m_doc)
			{
				return;
			}
			FSErrorCode code = m_doc->Load("");
			if (code != FSErrorCode::e_errSuccess) {
				return;
			}

			FSBookmark^ root = m_doc->GetFirstBookmark();
			this->setProperties(root);
		}
		catch (Platform::Exception^ e)
		{
			OutputDebugString(e->Message->Data());
		}
	}).then([=]()
	{
		return documentFolder->CreateFileAsync("Output_Outline.pdf", CreationCollisionOption::ReplaceExisting);
	}).then([=](StorageFile^ file)
	{
		try
		{
			m_doc->SaveAs(file, 0);
			this->showMesseageDialog("", "The output file is saved to:" + file->Path);
		}
		catch (Platform::Exception^ e)
		{
		}
	});
}


void FunctionDemo::MainPage::setProperties(FSBookmark^ bookmark)
{
	FSBookmark^ bm = nullptr;
	for (bm = bookmark->GetFirstChild(); bm != nullptr; bm = bm->GetNextSibling())
	{
		String^ title = bm->GetTitle();
		bm->SetTitle(title + "_renamed");
		bm->SetColor(0x0000ffff);
		bm->SetStyle((int)FSBookmarkStyle::e_bookmarkStyleBold);

		FSBookmark^ child = bm->GetFirstChild();
		if (child)
		{
			this->setProperties(bm);
		}
	}
}

void FunctionDemo::MainPage::showMesseageDialog(Platform::String^ title, Platform::String^ content)
{
	auto messageDialog = ref new Windows::UI::Popups::MessageDialog(content, title);
	messageDialog->Commands->Append(ref new Windows::UI::Popups::UICommand("OK", nullptr, PropertyValue::CreateInt32(0)));
	messageDialog->DefaultCommandIndex = 0;
	messageDialog->ShowAsync();
}