public static void Run()
{
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_Slides_Presentations_Layout();
// Instantiate Presentation class that represents the presentation file
using (Presentation presentation = new Presentation(dataDir + "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(dataDir + "AddLayoutSlides_out.pptx", SaveFormat.Pptx);
}
}
}
