Instance Property


A Boolean value that indicates whether the receiver is valid.


@property(readonly, getter=isValid) BOOL valid;


NO if the receiver is known to be invalid, otherwise YES.

An NSPort object becomes invalid when its underlying communication resource, which is operating system dependent, is closed or damaged.

See Also


- invalidate

Marks the receiver as invalid and posts an NSPortDidBecomeInvalidNotification to the default notification center.

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