<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.