| scenes | 修正した場合、保存の必要があるシーン |
bool Your choice of whether to save or not save the Scenes.
Asks whether the modfied input Scenes should be saved.
In some cases, you might want to call this before opening another Scene or creating a new Scene. A return value of true indicates that you may continue. A return value of false indicates that the user cancelled the operation and you should not Open another Scene.