using IronPPT;
using IronPPT.Models;

// Create new PowerPoint presentation
var document = new PresentationDocument();

// Add empty slide
document.AddSlide(new Slide());

// Add slide object
Slide slide = new Slide();
slide.AddText("Hello!");
document.AddSlide(slide);

// Export PowerPoint presentation
document.Save("output.pptx");

using IronPPT;
using IronPPT.Models;

// Create new PowerPoint presentation
var document = new PresentationDocument();

// Add empty slide
document.AddSlide(new Slide());

// Add slide object
Slide slide = new Slide();
slide.AddText("Hello!");
document.AddSlide(slide);

// Export PowerPoint presentation
document.Save("output.pptx");