Sets the master background as the background of the slide.
This method doesn't have any parameters.
builder.CreateFile("pptx"); var oPresentation = Api.GetPresentation(); var oSlide = oPresentation.GetSlideByIndex(0); var oMaster = oPresentation.GetMaster(0); var oFill = Api.CreateSolidFill(Api.CreateRGBColor(255, 111, 61)); oMaster.SetBackground(oFill); oSlide.FollowMasterBackground(); builder.SaveFile("pptx", "FollowMasterBackground.pptx"); builder.CloseFile();