func cancel()
Cancels progress tracking.
進捗の追跡を取り消します。
func resume()
Resumes progress tracking.
進捗の追跡を再開します。
var resumingHandler : (() -> Void)?
The block to invoke when progress resumes.
進捗が再開する時に発動するブロック。
Availability 有効性
Technology
func pause()
This method invokes the block for pausing
, if there is one, and ensures that any subsequent reads of the is
property return true
.
If the receiver has suboperations, the system pauses their progress as well.
func cancel()
func resume()
var resumingHandler : (() -> Void)?