Window.fullScreen

機能/意味
Whether full screen
タイプ
Windowクラスのプロパティ (読み書き可能)
説明
 Indicates whether it is full screen. You can also set a value.
 If true, the client area of the current window will be full screen. The screen resolution at full screen is the size of the client area.
 If false is specified, the window will be displayed.