addObserver(toAllBusses:forKeyPath:options:context:)
Adds a KVO observer for a given property on all busses in the array.
Declaration
func addObserver(toAllBusses observer: NSObject, forKeyPath keyPath: String, options: NSKeyValueObservingOptions = [], context: UnsafeMutableRawPointer?)Parameters
- observer:
The KVO observer.
- keyPath:
The property’s key path.
- options:
The KVO options.
- context:
The KVO context.