Foxit PDF SDK
<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]psiA PSI object.
[in]rectRectangle of the refresh region.
Returns
None.