Foxit PDF SDK

Public Member Functions | List of all members
foxit::pdf::PSICallback Class Referenceabstract

## Public Member Functions
virtual void | Refresh (PSI psi, const RectF &rect)=0
| A callback function used to refresh a specified region for PSI. More...
virtual void | Release ()=0
| 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()

virtual void foxit::pdf::PSICallback::Refresh | ( | PSI | psi,
|  | const RectF & | rect
| ) |  |
| pure 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()

virtual void foxit::pdf::PSICallback::Release | ( |  | ) |
| pure virtual

A callback function used to release current callback object itself.

Returns
  None.