NAME¶

std::ios_base::event_callback - std::ios_base::event_callback

Synopsis¶

typedef void ( *event_callback )( event type, ios_base& ios, int index );

The type of function callbacks that can be registered using register_callback() to
be called on specific events.

type is a value of type ios_base::event which indicates the type of the event that
will invoke this callback.

ios refers to the stream object for which the callback is invoked: *this is passed
as the argument when callbacks are invoked by std::ios_base and std::basic_ios
member functions.

index is the user-provided value passed to register_callback() when registering the
function.

See also¶

copyfmt copies formatting information
(public member function of std::basic_ios<CharT,Traits>)
imbue sets locale
(public member function)
destructor destructs the object
[virtual] (virtual public member function)
register_callback registers event callback function
(public member function)