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VersyPDF API Reference

Action Level

Functions | Legend | Topics

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Instead of simply jumping to a destination in the document, an annotation or outline item can specify an action for the viewer application to perform, such as launching an application, playing a sound, or changing an annotation’s appearance state. The optional action entry in the annotation or outline item dictionary specifies an action to be performed when the annotation or outline item is activated; A variety of other circumstances may trigger an action as well. PDF includes a wide variety of standard action types.

Functions

	Name	Description
	PDFActionSetNext	This function sets action which will be executed after current action.
	PDFDestinationFromExplit	Creates new destination handle from string.
	PDFDestinationFromString	Creates new destination handle from string.
	PDFDestinationNamedNew	Creates new destination name in name table and assigns to it explicit destination

Topics

Name	Description
Goto Action	A Go-to action changes the view to a specified destination (page, location, and magnification factor).
Goto Remote Action	A remote go-to action is similar to an ordinary go-to action, but jumps to a destination in another PDF file instead of the current file.
Launch Action	A launch action launches an application or opens or prints a document.
Hide Action	A hide action hides or shows one or more annotations on the screen by setting or clearing their Hidden flags. This type of action can be used in combination with appearance streams and trigger events to display pop-up help information on the screen.
URI Action	A uniform resource identifier (URI) is a string that identifies (resolves to) a resource on the Internet — typically a file that is the destination of a hypertext link, although it can also resolve to a query or other entity. A URI action causes a URI to be resolved.
Thread Action	A thread action jumps to a specified bead on an article, in either the current document or a different one.
Named Action	Viewer applications supports several named actions.
Import Action	An import-data action imports Forms Data Format (FDF) data into the document’s interactive form from a specified file.
Submit Action	A submit-form action transmits the names and values of selected interactive form fields to a specified uniform resource locator (URL), presumably the address of a World Wide Web server that will process them and send back a response.
Reset Form Action	A reset-form action resets selected interactive form fields to their default values. For fields that can have no value (such as pushbuttons), the action has no effect.
Javascript Action	A JavaScript action causes a script to be compiled and executed by the JavaScript interpreter. Depending on the nature of the script, this can cause various interactive form fields in the document to update their values or change their visual appearances.

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