Struct AddEventHandlerRegistry 

pub struct AddEventHandlerRegistry;

A registry for adding event handlers to various controls: the events an event trigger subscribes by name before it looks for the event in the metadata of the source.

The registry belongs to the thread (handlers hold objects of the thread).

Implementations

impl AddEventHandlerRegistry

pub fn register(add_event_handler: Rc<dyn IAddEventHandler>)

Registers an event handler.

pub fn unregister(add_event_handler: &Rc<dyn IAddEventHandler>)

Unregisters an event handler.

pub fn try_register_event_handler( source: &BoxedValue, event_name: &str, handler: AddEventHandlerCallback, ) -> Option<Rc<dyn IDisposable>>

Subscribes handler to the event event_name of source through the first registered handler that matches them; None when none does.