const String templatePath = u"../templates/presentaion.pptx";
	const String externalWbPath = u"../externalWorkbook1.pptx";


	System::SharedPtr<Presentation> pres = System::MakeObject<Presentation>(templatePath);
	

	System::SharedPtr<Aspose::Slides::Charts::IChart> chart = pres->get_Slides()->idx_get(0)->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Pie, 50.0f, 50.0f, 400.0f, 600.0f);

	if (System::IO::File::Exists(externalWbPath))
		System::IO::File::Delete(externalWbPath);

	System::SharedPtr<System::IO::FileStream> fileStream = System::MakeObject<System::IO::FileStream>(externalWbPath, System::IO::FileMode::CreateNew);
	System::ArrayPtr<uint8_t> worbookData = chart->get_ChartData()->ReadWorkbookStream()->ToArray();
	fileStream->Write(worbookData, 0, worbookData->get_Length());
	fileStream->Close();

	chart->get_ChartData()->SetExternalWorkbook(externalWbPath);