'宣言 Protected Overridable Function OnWindowStateChanging( _ ByVal currentWindowState As Infragistics.Controls.Interactions.WindowState, _ ByVal newWindowState As Infragistics.Controls.Interactions.WindowState _ ) As Boolean
protected virtual bool OnWindowStateChanging( Infragistics.Controls.Interactions.WindowState currentWindowState, Infragistics.Controls.Interactions.WindowState newWindowState )