Convert PPTX to PNG with Conholdate.Total for .NET

introduction_converting_powerpoint_presentations_t.cs

using System;
using System.IO;
using Conholdate.Total.Slides;

class Program
{
    static void Main()
    {
        // Path to the source PPTX file
        string inputPath = "sample.pptx";

        // Folder where PNG files will be saved
        string outputDir = "output";
        Directory.CreateDirectory(outputDir);

        // Load the presentation
        using (Presentation presentation = new Presentation(inputPath))
        {
            // Configure PNG output options
            var options = new ImageSaveOptions(SaveFormat.Png)
            {
                DpiX = 300,               // Horizontal DPI
                DpiY = 300,               // Vertical DPI
                CompressionLevel = 9      // Maximum compression
            };

            // Iterate through each slide and save as PNG
            for (int i = 0; i < presentation.Slides.Count; i++)
            {
                string outPath = Path.Combine(outputDir, $"slide_{i + 1}.png");
                presentation.Slides[i].Save(outPath, options);
                Console.WriteLine($"Saved {outPath}");
            }
        }

        Console.WriteLine("Conversion completed.");
    }
}