An annotation's appearance dictionary: its normal, rollover and down appearances. A live view over the AP dictionary.
public sealed class PdfAppearanceDictionary
ISO 32000-2 §12.5.5, Table 170. Each entry is a form XObject or a subdictionary of them keyed by appearance state (PdfAppearanceEntry). Rollover and Down default to Normal when absent.
kind:method, kind:property, kind:ctor. Press Esc to clear.DictionaryGets the appearance dictionary.DownGets the down appearance (D); the normal appearance when absent.HasDownGets a value indicating whether the dictionary has its own down entry (D).HasRolloverGets a value indicating whether the dictionary has its own rollover entry (R).NormalGets the normal appearance (N, required), or null when it is missing or neither a stream nor a dictionary.RolloverGets the rollover appearance (R); the normal appearance when absent.GetEntry(PdfAppearanceMode)Returns the entry for mode, with the defaults of Rollover and Down.