PdfAppearanceTrigger Enum
Represents an event that triggers the showing of a particular PdfAppearance.
Fields
| Down | The down appearance shall be used when the mouse button is pressed or held down within the annotation's active area. |
| Normal | The normal appearance shall be used when the annotation is not interacting with the user. This appearance is also used for printing the annotation. |
| Rollover | The rollover appearance shall be used when the user moves the cursor into the annotation's active area without pressing the mouse button. |