Struct windows::core::Event

pub struct Event<T: Interface + Clone> { /* private fields */ }

A type that you can use to declare and implement an event of a specified delegate type.

The implementation is thread-safe and designed to avoid contention between events being raised and delegates being added or removed.

Implementations

impl<T: Interface + Clone> Event<T>

pub fn new() -> Self

Creates a new, empty Event<T>.

pub fn add(&mut self, delegate: &T) -> Result<i64>

Registers a delegate with the event object.

pub fn remove(&mut self, token: i64) -> Result<()>

Revokes a delegate’s registration from the event object.

pub fn clear(&mut self)

Clears the event, removing all delegates.

pub fn call<F: FnMut(&T) -> Result<()>>(&mut self, callback: F) -> Result<()>

Invokes all of the event object’s registered delegates with the provided callback.

Trait Implementations

impl<T: Interface + Clone> Default for Event<T>

fn default() -> Self

Returns the “default value” for a type.