Window.stayOnTop

機能/意味
Whether to always display at the top
タイプ
Windowクラスのプロパティ (読み書き可能)
説明
 Indicates whether the window is always displayed at the top (foreground). You can also set a value.
 If true, the window will always be displayed at the top level.
 In the current version, the setting of this property may be lost when the window goes full screen or returns from full screen.