Foxit PDF SDK

Public Member Functions | List of all members
foxit.pdf.PSICallback Class Reference

Inherits SystemIDisposable.

## Public Member Functions
virtual void | Refresh (PSI psi, RectF rect)
| A callback function used to refresh a specified region for PSI. More...
virtual void | Release ()
| A callback function used to release current callback object itself. 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 PSI.SetCallback .

## Member Function Documentation

## ◆ Refresh()

void foxit.pdf.PSICallback.Refresh | ( | PSI | psi,
|  | RectF | rect
| ) |  |
| inline virtual

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.

## ◆ Release()

void foxit.pdf.PSICallback.Release | ( |  | ) |
| inline virtual

A callback function used to release current callback object itself.

Returns
  None.