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Represents the appearance of an annotation in normal, rollover and down states.
In the simplest case the appearance can be defined by a single FormXObject specified by the Default property.
In more complex cases it can be defined as a subdictionary specified by the this[string] property. For example, an annotation representing an interactive check box might have two appearance states named On and Off.
See PDF specification for details.
public class Appearance
| Name | Description |
|---|---|
| Annotation | Gets the AnnotationBase object owning this object. |
| Default | Gets or sets the FormXObject that is used when the widget has separate states. |
| this[string] | Gets or sets the FormXObject object for a specified state. |
| Name | Description |
|---|---|
| Clear() | Clears all defined appearances. |
| GetOnState() | Gets the name of the appearance stream that is used to show RadioButtonField or CheckBoxField in the checked state. |
| GetStates() | Gets the names of the appearance streams specified for the AnnotationBase. |