flash display_list_player_head

Due to the new list display mechanism in Flash 9 player the internal functioning of the player head has also been modified.

When the player head meets a frame with graphic objects it adds the graphic objects using the addChild method:

On the other hand, when the player head meets an empty keyframe the player deletes the graphic objects using the removeChild method:

Through the deletion or addition of graphic objects, they automatically broadcast the ADDED_TO_STAGE and Event.REMOVED_FROM_STAGE events.

We discuss this further in the article entitled Extending native classes.

Worth remembering

• It is strongly recommended to manage activation and deactivation of graphic objects.
• To do this we use the Event.ADDED_TO_STAGE and Event.REMOVED_FROM_STAGE events.
• If new objects are placed on a keyframe, the layer head adds them using the addChild method.
• If the player head meets an empty keyframe the player automatically deletes the graphic objects using the removeChild method.