Объединить файлы PPTX с помощью C++

// The path to the documents directory.
const String sourceFilePath1 = u"SourceFile2.pptx";
const String sourceFilePath2 = u"SourceFile3.pptx";
const String outputFilePath = u"mergedOutput.pptx";

// Instantiate Presentation class
SharedPtr<Presentation> presentation1 = MakeObject<Presentation>(sourceFilePath1);
SharedPtr<Presentation> presentation2 = MakeObject<Presentation>(sourceFilePath2);

for (SharedPtr<ISlide> slide : presentation2->get_Slides()){
	// Merge from source to destination 
	presentation1->get_Slides()->AddClone(slide);
}

// Save the presentation
presentation1->Save(outputFilePath, SaveFormat::Pptx);