PdfAppearance Class

Represents an appearance settings for a PdfAnnotation.

Inheritance Hierarchy

Namespace: SautinSoft.Pdf.Annotations
Assembly: SautinSoft.Pdf (in SautinSoft.Pdf.dll) Version: 2026.2.19

Syntax

public abstract class PdfAppearance

Public MustInherit Class PdfAppearance

The PdfAppearance type exposes the following members.

Properties

	Name	Description
	State	(Required if the appearance dictionary AP contains one or more subdictionaries; PDF 1.2) The annotation's appearance state, which selects the applicable appearance stream from an appearance subdictionary (see Section 12.5.5, "Appearance Streams").

Methods

	Name	Description
	BeginInit	Begins initialization of the PdfAppearance. Call EndInit to end the initialization and update the appearance. If BeginInit is called on a PdfAppearance that is already being initialized, the second and subsequent calls are ignored.
	EndInit	Ends initialization of the PdfAppearance by updating the changed appearance. This method will be ignored if called on a PdfAppearance that is not being initialized.
	Get	Gets the appearance form for the Normal appearance trigger and the current appearance State.
	Get(PdfAppearanceTrigger)	Gets a collection of appearance states and the associated appearance forms for the specified appearance trigger.
	Get(PdfAppearanceTrigger, PdfAppearanceState)	Gets the appearance form for the specified appearance trigger and appearance state.
	Refresh	Forces an update of the appearance.
	Set(PdfForm)	Sets the appearance form for the Normal appearance trigger and the current appearance State.
	Set(PdfAppearanceTrigger, ICollectionKeyValuePairPdfAppearanceState, PdfForm)	Sets a collection of appearance states and the associated appearance forms for the specified appearance trigger.
	Set(PdfAppearanceTrigger, PdfAppearanceState, PdfForm)	Sets the appearance form for the specified appearance trigger and appearance state.