SharePoint 2013 中的 PowerPoint Automation Services

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using Microsoft.SharePoint;
using Microsoft.Office.Server.PowerPoint.Conversion;

namespace PAS_Sample
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                string siteURL = "http://localhost";
                using (SPSite site = new SPSite(siteURL))
                {
                    using (SPWeb web = site.OpenWeb())
                    {
                        Console.WriteLine("Begin conversion");

                        // Get a reference to the "Shared Documents" library 
                        // and the presentation file to be converted.
                        SPFolder docs = web.Folders[siteURL + 
                            "/Shared Documents"];
                        SPFile file = docs.Files[siteURL + 
                            "/Shared Documents/Pres1.ppt"];

                        // Convert the file to a stream and create an
                        // SPFileStream object for the conversion output.
                        Stream fStream = file.OpenBinaryStream();
                        SPFileStream stream = new SPFileStream(web, 0x1000);

                        // Create the presentation conversion request.
                        PresentationRequest request = new PresentationRequest(
                            fStream,
                            ".ppt",
                            stream);

                        // Send the request synchronously, passing
                        // in a ‘null’ value for the callback parameter, 
                        // and capturing the response in the result object.
                        IAsyncResult result = request.BeginConvert(
                            SPServiceContext.GetContext(site),
                            null,
                            null);

                        // Use the EndConvert method to get the result. 
                        request.EndConvert(result);

                        // Add the converted file to the document library.
                        SPFile newFile = docs.Files.Add(
                            "newPres1.pptx", 
                            stream, 
                            true);
                        Console.WriteLine("Output: {0}", newFile.Url);

                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error: " + ex.Message);
            }
            finally
            {
                Console.WriteLine("Complete");
                Console.ReadKey();
            }
        }
    }
}