The annotation flags, the bits of an annotation dictionary's F entry.
[Flags]
public enum PdfAnnotationFlags
ISO 32000-2 §12.5.3, Table 167. Bit n of the entry is 1 << (n − 1). "All other bits of the integer shall be set to
0"; a file that sets them keeps them (Flags returns every bit as stored).
kind:method, kind:property, kind:ctor. Press Esc to clear.HiddenBit 2 (PDF 1.2): do not display or print the annotation nor let the user interact with it.InvisibleBit 1 (PDF 1.0): for an annotation of a type the processor has no handler for, do not display or print it.LockedBit 8 (PDF 1.4): do not let the user delete the annotation or change its properties.LockedContentsBit 10 (PDF 1.7): do not let the user change the annotation's contents (its properties may still change).NoneNo flag is set (the default).NoRotateBit 5 (PDF 1.3): do not rotate the appearance with the page; the upper-left corner of the rectangle stays fixed.NoViewBit 6 (PDF 1.3): do not display the annotation on the screen nor let the user interact with it; it may still print.NoZoomBit 4 (PDF 1.3): do not scale the appearance with the page magnification; the upper-left corner of the rectangle stays fixed.ReadOnlyBit 7 (PDF 1.3): do not let the user interact with the annotation. Ignored for widget annotations.ToggleNoViewBit 9 (PDF 1.5): invert NoView for certain events, such as the mouse hovering over the annotation.