Foxit PDF SDK

构造函数 | 所有成员列表
<FSPSICallback>协议 参考

继承自 <NSObject> .

## 构造函数
(void) | - refresh:rect:
| A callback function used to refresh a specified region for PSI. 更多...

## 详细描述

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:.

## 函数文档

## ◆ refresh:rect:()

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

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

参数

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

返回
  None.