get_SlideSize()

System::SharedPtr<ISlideSize> Aspose::Slides::Presentation::get_SlideSize() override

auto pres = System::MakeObject<Presentation>(u"pres-4x3-aspect-ratio.pptx");

pres->get_SlideSize()->SetSize(SlideSizeType::OnScreen16x9, SlideSizeScaleType::DoNotScale);
pres->Save(u"pres-4x3-aspect-ratio.pptx", SaveFormat::Pptx);

// Instantiate a Presentation object that represents a presentation file
auto presentation = System::MakeObject<Presentation>(u"AccessSlides.pptx");
auto auxPresentation = System::MakeObject<Presentation>();
auto slide = presentation->get_Slides()->idx_get(0);

// Set the slide size of generated presentations to that of source
presentation->get_SlideSize()->SetSize(540.0f, 720.0f, SlideSizeScaleType::EnsureFit);

// Method SetSize is used for set slide size with scale content to ensure fit
presentation->get_SlideSize()->SetSize(SlideSizeType::A4Paper, SlideSizeScaleType::Maximize);

// Method SetSize is used for set slide size with maximize size of content
// Save Presentation to disk
auxPresentation->Save(u"Set_Size_Type_out.pptx", SaveFormat::Pptx);

auto pres = System::MakeObject<Presentation>(u"pres.pptx");
pres->get_SlideSize()->SetSize(780.0f, 540.0f, SlideSizeScaleType::DoNotScale);

// A4 paper size
pres->Save(u"pres-a4-slide-size.pptx", SaveFormat::Pptx);