Instance Property インスタンスプロパティ

executing

A Boolean value that indicates whether the receiver is executing. レシーバが遂行中かどうかを指し示すブール値。

Declaration 宣言 

@property(readonly, getter=isExecuting) BOOL executing;

Discussion 議論

YES if the receiver is executing, otherwise NO. YES、もしレシーバが遂行中ならば、そうでなければNO。

See Also 参照

Determining the Thread’s Execution State スレッドのもつ遂行状態を決定する

finished
A Boolean value that indicates whether the receiver has finished execution. レシーバが遂行を終了したかどうかを指し示すブール値。
cancelled
A Boolean value that indicates whether the receiver is cancelled. レシーバが取り消されるかどうかを指し示すブール値。