requestPageInfo Method

In This Topic

Sends an asynchronous request for getting parameters of PDF page (page index, transformation matrix, media box, etc). Raises the "pageInfoReceived" event if page info is received successfully. Raises the "pageInfoRequestFailed" event, if request is finished with error.

Syntax

Javascript (Usage)
Javascript (Specification)

var instance = new Vintasoft.Imaging.Pdf.WebPdfPageJS(pdfDocument, pageIndex);

var value; // Type: any

// Parameters
var successFunc; // Type: function
var errorFunc; // Type: function

value = instance.requestPageInfo(successFunc, errorFunc);

function requestPageInfo(
   successFuncFunction that will be executed if request is executed successfully. Here is function prototype "function __success(data)".
 The data parameter has the following properties:
  links (object): An array of WebPdfLinkJS objects that defines all links associated with this PDF page.
 
 : Function, 
   errorFuncFunction that will be executed if request is failed. Here is function prototype "function __error(data)".
 The data parameter can be:
  An object with following properties:
  errorMessage (string): Error message.
 blocked (boolean): Indicates that the requested action is blocked by another request.
 
 if exception is catched inside web service. 
 Otherwise, jqXHR object.
 
 : Function
) : any;

Parameters

successFunc

Function that will be executed if request is executed successfully. Here is function prototype "function __success(data)".
The data parameter has the following properties:

links (object): An array of WebPdfLinkJS objects that defines all links associated with this PDF page.

errorFunc

Function that will be executed if request is failed. Here is function prototype "function __error(data)".
The data parameter can be:

An object with following properties:
- errorMessage (string): Error message.
- blocked (boolean): Indicates that the requested action is blocked by another request.
if exception is catched inside web service.
Otherwise, jqXHR object.

Exceptions

Exception	Description
	Thrown if arguments have wrong types.

Browser Compatibility

56+

45+

Reference

WebPdfPageJS Class
WebPdfPageJS Members

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