Print PowerPoint Presentation in C#. More details and steps can be found here https://kb.aspose.com/slide/net/how-to-print-powerpoint-presentation-in-c-sharp/

Print PowerPoint Presentation in C#.cs

using System;
using Aspose.Slides;

namespace PrintPresentationinC_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            License license = new License();

            license.SetLicense("Aspose_Slides_NET.lic");

            string PathForPrintingPptFile = @".\";

            //Instantialte Presentation object to print PowerPoint presentation

            Presentation PrintPptxPresentation = new Presentation(PathForPrintingPptFile+"PrintPres.pptx");

            //Call the Print method to print PowerPoint presentation on desired printer

            PrintPptxPresentation.Print("LaserJet1100");
        }
    }
}