PPT转图片

在网上找到的一段代码，经测试可以使用，不过需要已经安装了office的ppt软件。

下面吧代码拿出来和大家分享：

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using Microsoft.Office.Core;
using Microsoft.Office.Interop.PowerPoint;

namespace testPPTtoJPG
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            ApplicationClass ac = new ApplicationClass();

            string srcRoot;
            string dstRoot;
            FolderBrowserDialog fbd = new FolderBrowserDialog();
            fbd.Description = "Select root folder";
            if (fbd.ShowDialog() != DialogResult.OK)
                return;
            srcRoot = fbd.SelectedPath;
            fbd.Description = "Select destination folder";
            fbd.ShowNewFolderButton = true;
            if (fbd.ShowDialog() != DialogResult.OK)
                return;
            dstRoot = fbd.SelectedPath;

            string[] pptFiles = Directory.GetFiles(srcRoot, "*.ppt", SearchOption.AllDirectories);
            string[] potFiles = Directory.GetFiles(srcRoot, "*.pot", SearchOption.AllDirectories);
            string[] pptxFiles = Directory.GetFiles(srcRoot, "*.pptx", SearchOption.AllDirectories);
            Console.WriteLine("Find " + (
                pptxFiles.GetUpperBound(0) + 1 +
                potFiles.GetUpperBound(0) + 1 +
                pptxFiles.GetUpperBound(0) + 1) + "Files");

            foreach (string ppt in pptFiles)
            {
                string dir = ppt.Substring(srcRoot.Length + 1);
                string fullDir = Path.Combine(dstRoot, dir);
                fullDir = fullDir.Substring(0, fullDir.Length - 4);
                Directory.CreateDirectory(fullDir);
                Console.WriteLine("Converting PPT File (" + fullDir + ")");
                Presentation p = ac.Presentations.Open(ppt, MsoTriState.msoCTrue, MsoTriState.msoCTrue, MsoTriState.msoFalse);
                p.SaveAs(fullDir, PpSaveAsFileType.ppSaveAsJPG, MsoTriState.msoCTrue);
                p.Close();
            }

            foreach (string pot in potFiles)
            {
                string dir = pot.Substring(srcRoot.Length + 1);
                string fullDir = Path.Combine(dstRoot, dir);
                fullDir = fullDir.Substring(0, fullDir.Length - 4);
                Directory.CreateDirectory(fullDir);
                Console.WriteLine("Converting POT File (" + fullDir + ")");
                Presentation p = ac.Presentations.Open(pot, MsoTriState.msoCTrue, MsoTriState.msoCTrue, MsoTriState.msoFalse);
                p.SaveAs(fullDir, PpSaveAsFileType.ppSaveAsJPG, MsoTriState.msoCTrue);
                p.Close();
            }

            foreach (string pptx in pptxFiles)
            {
                string dir = pptx.Substring(srcRoot.Length + 1);
                string fullDir = Path.Combine(dstRoot, Path.GetFileName(dir));
                fullDir = fullDir.Substring(0, fullDir.Length - 4);
                Directory.CreateDirectory(fullDir);
                Console.WriteLine("Converting PPTX File (" + fullDir + ")");
                Presentation p = ac.Presentations.Open2007(pptx, MsoTriState.msoCTrue, MsoTriState.msoCTrue, MsoTriState.msoFalse, MsoTriState.msoFalse); ;
                p.SaveAs(fullDir, PpSaveAsFileType.ppSaveAsJPG, MsoTriState.msoCTrue);
                p.Close();
            }

            Console.WriteLine("All done, press enter key to exit");
            Console.ReadLine();
        }
    }
}