std::ios_base:: event
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C++
Input/output library
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(C++23)
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(
C++98/26*
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(C++20)
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(C++23)
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(C++23)
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(C++23)
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(
C++98/26*
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(
C++98/26*
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(
C++98/26*
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std::ios_base
| Member functions | ||||
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ios_base::event
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enum
event
{
erase_event, imbue_event, copyfmt_event
}
;
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指定传递给通过 register_callback() 在特定事件上注册的函数的事件类型。定义了以下常量：
| 枚举项 | 含义 |
erase_event
|
在 ~ios_base() 或 basic_ios::copyfmt() 时触发（在成员复制发生之前） |
imbue_event
|
在 imbue() 时触发 |
copyfmt_event
|
在 basic_ios::copyfmt() 时触发（在成员复制发生之后，但异常设置被复制之前） |
示例
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本节内容不完整
原因：缺少示例 |