Masters

Presentation.Masters property

Returns a list of all master slides that are defined in the presentation. Read-only IMasterSlideCollection.

public IMasterSlideCollection Masters { get; }

Examples

The following examples shows how to adding Images to Master Slides of PowerPoint Presentation.

[C#]
using (Presentation pres = new Presentation())
{
    ISlide slide = pres.Slides[0];
    IMasterSlide masterSlide = slide.LayoutSlide.MasterSlide;
    IPPImage image = pres.Images.AddImage(File.ReadAllBytes("image.png"));
    masterSlide.Shapes.AddPictureFrame(ShapeType.Rectangle, 10, 10, 100, 100, image);
    pres.Save("pres.pptx", SaveFormat.Pptx);
}

The following examples shows how to change the background color of the master slide of PowerPoint Presentation.

[C#]
// Instantiate the Presentation class that represents the presentation file
using (Presentation pres = new Presentation())
{
    // Set the background color of the Master ISlide to Forest Green
    pres.Masters[0].Background.Type = BackgroundType.OwnBackground;
    pres.Masters[0].Background.FillFormat.FillType = FillType.Solid;
    pres.Masters[0].Background.FillFormat.SolidFillColor.Color = Color.ForestGreen;
    // Write the presentation to disk
    pres.Save("SetSlideBackgroundMaster_out.pptx", SaveFormat.Pptx);
}

The following examples shows how to add slide layout to PowerPoint Presentation.

[C#]
// Instantiate Presentation class that represents the presentation file
using (Presentation presentation = new Presentation("AccessSlides.pptx"))
{
    // Try to search by layout slide type
    IMasterLayoutSlideCollection layoutSlides = presentation.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.
        // presentation File 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
    presentation.Slides.InsertEmptySlide(0, layoutSlide);
    // Save presentation
    presentation.Save("AddLayoutSlides_out.pptx", SaveFormat.Pptx);
}

See Also

MasterNotesSlideManager MasterTheme