/// <summary>
/// This is an obsolete message type which was used to delete text annotations.
/// RTDeleteAnnotation is currently used to delete different types of annotation sheets
/// including text and image.
/// </summary>
/// <param name="rtdta"></param>
private void ReceiveDeleteTextAnnotation(RTDeleteTextAnnotation rtdta)
{
int slideIndex;
slideIndex = slideMap.GetMapping(rtdta.SlideIndex, rtdta.DeckGuid);
//Get the slide
Slide s = SlideDeck.GetSlide(slideIndex);
SlideOverlay so = SlideDeck.GetOverlay(slideIndex);
//If the annotation is on the slide, delete it.
lock (so.TextAnnotations) {
if (so.TextAnnotations.ContainsKey(rtdta.Guid))
{
so.TextAnnotations.Remove(rtdta.Guid);
}
}
so.RefreshDynamicElements();
}
private void FilterRTDeleteTextAnnotation(RTDeleteTextAnnotation rtdta)
{
Guid guid = rtdta.Guid;
lock (subQueue) {
//if annotation with this guid is found in low priority queue, remove it.
//We assume there will never be more than one due to the way we enqueue annotations.
for (int i = 0; i < subQueue.Count; i++)
{
if ((((WorkItem)subQueue[i]).OpCode == PacketType.RTTextAnnotation) &&
(((WorkItem)subQueue[i]).Guid == guid))
{
subQueue.RemoveAt(i);
break;
}
}
}
BufferChunk bc = new BufferChunk(Helpers.ObjectToByteArray(rtdta));
enqueueMain(new WorkItem(bc, PacketType.RTDeleteTextAnnotation, rtdta.SlideIndex, rtdta.DeckGuid));
}