Foxit PDF SDK

Instance Methods | List of all members
<FSPSICallback> Protocol Reference

Inherits <NSObject>.

## Instance Methods
(void) | - refresh:rect:
| A callback function used to refresh a specified region for PSI. More...

## Detailed Description

This class represents a callback object for refreshing a region for PSI. All the pure virtual functions in this class are used as callback functions and should be implemented by user. An implemented PSICallback object can be set to a PSI object by function FSPSI::setCallback:.

## Method Documentation

## ◆ refresh:rect:()

- (void) refresh: |  | (FSPSI *) | psi
rect: |  | (FSRectF *) | rect
| required

A callback function used to refresh a specified region for PSI.

Parameters

  [in] | psi | A PSI object.
  [in] | rect | Rectangle of the refresh region.

Returns
  None.