Type Method

cancelPreviousPerformRequests(withTarget:)

Cancels perform requests previously registered with the perform(_:with:afterDelay:) instance method.

Declaration

class func cancelPreviousPerformRequests(withTarget aTarget: Any)

Parameters

aTarget

The target for requests previously registered with the perform(_:with:afterDelay:) instance method.

Discussion

All perform requests having the same target aTarget are canceled. This method removes perform requests only in the current run loop, not all run loops.

See Also

Sending Messages

func perform(Selector, with: Any?, afterDelay: TimeInterval)

Invokes a method of the receiver on the current thread using the default mode after a delay.

func perform(Selector, with: Any?, afterDelay: TimeInterval, inModes: [RunLoopMode])

Invokes a method of the receiver on the current thread using the specified modes after a delay.

func performSelector(onMainThread: Selector, with: Any?, waitUntilDone: Bool)

Invokes a method of the receiver on the main thread using the default mode.

func performSelector(onMainThread: Selector, with: Any?, waitUntilDone: Bool, modes: [String]?)

Invokes a method of the receiver on the main thread using the specified modes.

func perform(Selector, on: Thread, with: Any?, waitUntilDone: Bool)

Invokes a method of the receiver on the specified thread using the default mode.

func perform(Selector, on: Thread, with: Any?, waitUntilDone: Bool, modes: [String]?)

Invokes a method of the receiver on the specified thread using the specified modes.

func performSelector(inBackground: Selector, with: Any?)

Invokes a method of the receiver on a new background thread.