setObservationInfo(_:)

Declaration

func setObservationInfo(_ inObservationInfo: UnsafeMutableRawPointer?)

Parameters

• inObservationInfo:

  The new observation info for the receiver.

Discussion

For more about observation information, see Key-Value Observing Programming Guide.

See Also

Supporting Key-Value Observing

• didAccessValue(forKey:)
• observationInfo()
• willAccessValue(forKey:)
• didChangeValue(forKey:)
• didChangeValue(forKey:withSetMutation:using:)
• willChangeValue(forKey:)
• willChangeValue(forKey:withSetMutation:using:)