C#/VB.NET实现从PPT中提取图片的示例代码

using Spire.Presentation;
using Spire.Presentation.Collections;
using System.Drawing;

namespace ExtractImagesFromPresentation
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //初始化Presentation类的实例
            Presentation ppt = new Presentation();

            //加载PowerPoint演示文稿
            ppt.LoadFromFile("示例文档.pptx");

            //获取演示文稿的图像集
            ImageCollection imageCollection = ppt.Images;

            //遍历集合中的图像
            for (int i = 0; i < imageCollection.Count; i++)
            {
                //提取图像
                imageCollection[i].Image.Save(string.Format("Presentation\\图片{0}.png", i));
            }

            ppt.Dispose();
        }
    }
}

Imports Spire.Presentation
Imports Spire.Presentation.Collections

Namespace ExtractImagesFromPresentation
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '初始化Presentation类的实例
            Dim ppt As Presentation = New Presentation()

            '加载PowerPoint演示文稿
            ppt.LoadFromFile("示例文档.pptx")

            '获取演示文稿的图像集
            Dim imageCollection As ImageCollection = ppt.Images

            '遍历集合中的图像
            For i As Integer = 0 To imageCollection.Count - 1
                '提取图像
                imageCollection(i).Image.Save(String.Format("Presentation\图片{0}.png", i))
            Next

            ppt.Dispose()
        End Sub
    End Class
End Namespace

using Spire.Presentation;

namespace ExtractImagesFromSlide
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //初始化 Presentation 类的一个实例
            Presentation ppt = new Presentation();
            //加载 PowerPoint 演示文稿
            ppt.LoadFromFile("示例文档.pptx");

            //获取指定幻灯片
            ISlide slide = ppt.Slides[1];

            int i = 0;
            //遍历指定幻灯片上的所有形状
            foreach (IShape s in slide.Shapes)
            {
                //检查形状是否为SlidePicture类型
                if (s is SlidePicture)
                {
                    //提取图像
                    SlidePicture ps = s as SlidePicture;
                    ps.PictureFill.Picture.EmbedImage.Image.Save(string.Format(@"D:\.NET\提取图片\bin\Debug\Slide\图像{0}.png", i));
                    i++;
                }
                //检查形状是否为 PictureShape 类型
                if (s is PictureShape)
                {
                    //提取图像
                    PictureShape ps = s as PictureShape;
                    ps.EmbedImage.Image.Save(string.Format(@"D:\.NET\提取图片\bin\Debug\Slide\图像{0}.png", i));
                    i++;
                }
            }
        }
    }
}

Imports Spire.Presentation

Namespace ExtractImagesFromSlide
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '初始化 Presentation 类的一个实例
            Dim ppt As Presentation = New Presentation()
            '加载 PowerPoint 演示文稿
            ppt.LoadFromFile("示例文档.pptx")

            '获取指定幻灯片
            Dim slide As ISlide = ppt.Slides(1)

            Dim i = 0
            '遍历指定幻灯片上的所有形状
            For Each s As IShape In slide.Shapes
                '检查形状是否为SlidePicture类型
                If TypeOf s Is SlidePicture Then
                    '提取图像
                    Dim ps As SlidePicture = TryCast(s, SlidePicture)
                    ps.PictureFill.Picture.EmbedImage.Image.Save(String.Format("D:\.NET\提取图片\bin\Debug\Slide\图像{0}.png", i))
                    i += 1
                End If
                '检查形状是否为 PictureShape 类型
                If TypeOf s Is PictureShape Then
                    '提取图像
                    Dim ps As PictureShape = TryCast(s, PictureShape)
                    ps.EmbedImage.Image.Save(String.Format("D:\.NET\提取图片\bin\Debug\Slide\图像{0}.png", i))
                    i += 1
                End If
            Next
        End Sub
    End Class
End Namespace