An appearance characteristics dictionary: what a processor needs to construct a widget's or screen's appearance. A live view over MK.
public sealed class PdfAppearanceCharacteristics
ISO 32000-2 §12.5.6.19, Table 192. Captions and icons apply to button fields; the colours and rotation to any widget.
kind:method, kind:property, kind:ctor. Press Esc to clear.AlternateCaptionGets the alternate (down) caption (AC, push buttons), or null.AlternateIconGets the alternate (down) icon (IX, push buttons), or null.BackgroundColorGets the background colour (BG), or null for none.BorderColorGets the border colour (BC), or null for none.DictionaryGets the appearance characteristics dictionary.IconFitGets the icon fit dictionary (IF, push buttons), as stored, or null.NormalCaptionGets the normal caption (CA, button fields), or null.NormalIconGets the normal icon (I, push buttons), or null.RolloverCaptionGets the rollover caption (RC, push buttons), or null.RolloverIconGets the rollover icon (RI, push buttons), or null.RotationGets the number of degrees the annotation is rotated counterclockwise relative to the page (R): a multiple of 90; default 0.TextPositionGets where the caption is placed relative to the icon (TP, push buttons): 0 caption only (the default) to 6 overlaid.