Re: Cancelling dispatch_after?
On Nov 8, 2017, at 14:03 , Graham Cox <graham@...> wrote:
If you mean “cancel” in the sense of “prevent it from starting”, then the answer is yes, you can use “dispatch_block_cancel”:
The original GCD didn’t have this ability, but it was added a few years ago.
You can’t cancel it once it’s started running, except by means of setting a flag as you mentioned earlier.