Instance Method インスタンスメソッド

setValue(_:forUndefinedKey:)

Invoked by setValue(_:forKey:) when it finds no property for a given key.

Declaration 宣言 

func setValue(_ value: Any?, 
forUndefinedKey key: String)

Parameters パラメータ

value

The value for the key identified by key.

key

A string that is not equal to the name of any of the receiver's properties.

Discussion 解説

Subclasses can override this method to handle the request in some other way. The default implementation raises an NSUndefinedKeyException.

See Also 参照

Setting Values 値を設定する

func setValue(Any?, forKeyPath: String)
Sets the value for the property identified by a given key path to a given value.
func setValuesForKeys([String : Any])
Sets properties of the receiver with values from a given dictionary, using its keys to identify the properties.
func setNilValueForKey(String)
Invoked by setValue(_:forKey:) when it’s given a nil value for a scalar value (such as an int or float).
func setValue(Any?, forKey: String)
Sets the property of the receiver specified by a given key to a given value.

Related Documentation 関連文書

func value(forUndefinedKey: String) -> Any?
Invoked by when it finds no property corresponding to a given key.