private static void SelectOldShapesToAnimate(PowerPointSlide currentSlide, List<PowerPoint.Shape> shapesToUse)
{
List<PowerPoint.Shape> shapesToDelete = new List<PowerPoint.Shape>();
bool shouldSelect;
var shapes = currentSlide.GetShapesOrderedByTimeline();
foreach (var sh in shapes)
{
shouldSelect = true; //We should not select existing highlight shapes. Instead they should be deleted
if (sh.Name.Contains("PPTLabsHighlightBackgroundShape"))
{
if (userSelection != HighlightBackgroundSelection.kTextSelected)
{
foreach (PowerPoint.Shape tmp in shapesToUse)
{
//Each highlight shape stores a tag of the shape it is associated with
if (sh.Tags["HighlightBackground"].Equals(tmp.Name))
{
shapesToDelete.Add(sh);
shouldSelect = false;
break;
}
}
}
if (shouldSelect)
{
currentSlide.DeleteShapeAnimations(sh);
sh.Select(Office.MsoTriState.msoFalse);
}
}
//Remove existing animations for highlight text as well
if (sh.Name.Contains("HighlightTextShape"))
currentSlide.DeleteShapeAnimations(sh);
}
if (shapesToDelete.Count > 0)
foreach (PowerPoint.Shape sh in shapesToDelete)
sh.Delete();
}