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ä½ç½®ï¼šé¦–页 > C++ å‚考手册 >输入/输出库 >std::ios_base > std::ios_base::event
std::ios_base::event
| enum event {erase_event, imbue_event, copyfmt_event}; |
||
æŒ‡å®šåœ¨ç‰¹æ®Šäº‹ä»¶æ—¶ä¼ é€’ç»™ register_callback() 所注册函数的事件类型。定义下列常é‡ï¼š
| Â | |
| å¸¸é‡ | 解释 |
erase_event
|
在 ~ios_base() 或 basic_ios::copyfmt() （å‘生æˆå‘˜å¤åˆ¶å‰ï¼‰æ—¶å‘è¡Œ |
imbue_event
|
在 imbue() æ—¶å‘è¡Œ |
copyfmt_event
|
在 basic_ios::copyfmt() （å‘生æˆå‘˜å¤åˆ¶åŽï¼Œä½†åœ¨å¤åˆ¶å¼‚常设置å‰ï¼‰å‘è¡Œ |
示例
| æœ¬èŠ‚æœªå®Œæˆ åŽŸå› ï¼šæš‚æ— ç¤ºä¾‹ |