private static void AddCompleteAnimations(PowerPointSlide currentSlide, PowerPointSlide nextSlide)
{
var addedSlide = currentSlide.CreateAutoAnimateSlide() as PowerPointAutoAnimateSlide;
Globals.ThisAddIn.Application.ActiveWindow.View.GotoSlide(addedSlide.Index);
AboutForm progressForm = new AboutForm();
progressForm.Visible = true;
addedSlide.MoveMotionAnimation(); //Move shapes with motion animation already added
addedSlide.PrepareForAutoAnimate();
RenameCurrentSlide(currentSlide);
PrepareNextSlide(nextSlide);
addedSlide.AddAutoAnimation(currentSlideShapes, nextSlideShapes, matchingShapeIDs);
Globals.ThisAddIn.Application.CommandBars.ExecuteMso("AnimationPreview");
PowerPointPresentation.Current.AddAckSlide();
progressForm.Close();
}