Experimental: this API is experimental and might be changed or removed in the future.

CallbackEventHandler.HasBubbleUpHandlers

マニュアルに切り替える
public bool HasBubbleUpHandlers ();

戻り値

bool True if object has event handlers for the BubbleUp phase.

説明

Return true if event handlers for the event propagation BubbleUp phase have been attached on this object.