# 向演示文稿中添加布局幻灯片

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Source: https://docs.aspose.com/slides/zh/net/add-layout-slides-to-presentation/
Updated: 2026-01-19


Aspose.Slides for .NET 允许开发人员在演示文稿中添加新的布局幻灯片。要添加布局幻灯片，请按以下步骤操作：

- 创建 Presentation 类的实例
- 访问母版幻灯片集合
- 查找现有的布局幻灯片，以确定所需的布局是否已经在布局幻灯片集合中
- 如果所需布局不存在，则添加新的布局幻灯片
- 使用新添加的布局幻灯片添加空白幻灯片
- 最后，使用 Presentation 对象写入演示文稿文件

## **示例**
``` csharp

 string FilePath = @"..\..\..\Sample Files\";

string FileName = FilePath + "Adding Layout Slides.pptx";

//Instantiate Presentation class that represents the presentation file

using (Presentation p = new Presentation(FileName))

{

    // Try to search by layout slide type

    IMasterLayoutSlideCollection layoutSlides = p.Masters[0].LayoutSlides;

    ILayoutSlide layoutSlide =

        layoutSlides.GetByType(SlideLayoutType.TitleAndObject) ??

        layoutSlides.GetByType(SlideLayoutType.Title);

    if (layoutSlide == null)

    {

        // The situation when a presentation doesn't contain some type of layouts.

        // Technographics.pptx presentation only contains Blank and Custom layout types.

        // But layout slides with Custom types has different slide names,

        // like "Title", "Title and Content", etc. And it is possible to use these

        // names for layout slide selection.

        // Also it is possible to use the set of placeholder shape types. For example,

        // Title slide should have only Title pleceholder type, etc.

        foreach (ILayoutSlide titleAndObjectLayoutSlide in layoutSlides)

        {

            if (titleAndObjectLayoutSlide.Name == "Title and Object")

            {

                layoutSlide = titleAndObjectLayoutSlide;

                break;

            }

        }

        if (layoutSlide == null)

        {

            foreach (ILayoutSlide titleLayoutSlide in layoutSlides)

            {

                if (titleLayoutSlide.Name == "Title")

                {

                    layoutSlide = titleLayoutSlide;

                    break;

                }

            }

            if (layoutSlide == null)

            {

                layoutSlide = layoutSlides.GetByType(SlideLayoutType.Blank);

                if (layoutSlide == null)

                {

                    layoutSlide = layoutSlides.Add(SlideLayoutType.TitleAndObject, "Title and Object");

                }

            }

        }

    }

    //Adding empty slide with added layout slide 

    p.Slides.InsertEmptySlide(0, layoutSlide);

    //Save presentation    

    p.Save(FileName, SaveFormat.Pptx);

}

``` 
## **下载示例代码**
- [Github](https://github.com/aspose-slides/Aspose.Slides-for-.NET/releases/tag/MissingFeaturesAsposeSlidesForOpenXMLv1.1)
## **下载运行示例**
- [Github](https://github.com/aspose-slides/Aspose.Slides-for-.NET/tree/master/Plugins/OpenXML/Missing%20Features/Adding%20Layout%20Slides)

{{% alert color="primary" %}} 

欲获取更多详情，请访问[在 .NET 中应用或更改幻灯片布局](/slides/zh/net/slide-layout/)。

{{% /alert %}}