C#操作PPT删除图片

using Microsoft.Office.Core;
using Microsoft.Office.Interop.PowerPoint;

using System;

namespace ClearPPTImage
{
    class Program
    {

        /// <summary>
        /// ppt文件地址
        /// </summary>
        private static readonly string filePath = @"E:\bk\demo.pptx";
        static void Main(string[] args)
        {
            Application pptApp = new Application();

            try
            {
                // 以非只读方式打开,方便操作结束后保存.
                Presentation presentation = pptApp.Presentations.Open(filePath, MsoTriState.msoFalse, MsoTriState.msoFalse, MsoTriState.msoFalse);

                //判断当前PPT是不是空PPT
                if (presentation == null || presentation.Slides.Count <= 0)
                {
                    Console.WriteLine("[Error]当前PPT对象为空");
                    return;
                }


                //注意 Slides的下标要从1开始，如果从0开始会报索引越界
                for (int i = 1; i <= presentation.Slides.Count; i++)
                {
                    Slide slid = presentation.Slides[i];

                    //判断当前ppt页有没有元素
                    if (slid.Shapes.Count <= 0)
                    {
                        continue;
                    }

                    //采用倒叙删除的方式删除图片，这样才能删除干净
                    for (int j = slid.Shapes.Count; j >= 1; j--)
                    {
                        var shapes = slid.Shapes[j];
                        //判断是否是图片
                        if (shapes.Type == MsoShapeType.msoPicture)
                        {
                            shapes.Delete();
                        }

                    }
                }


                //保持到新文件
                presentation.SaveAs(@"E:\bk\demo112.pptx");
            }
            catch (Exception ex)
            {
                Console.WriteLine("[Error]" + ex.Message);
            }
            finally
            {
                //无论什么操作，最后都必须关闭ppt对象
                pptApp.Quit();
            }

            Console.WriteLine("[Success]Success");
            Console.ReadLine();
        }
    }
}