'宣言 Protected Overridable Sub OnWindowStateChanged( _ ByVal newWindowState As Infragistics.Controls.Interactions.WindowState, _ ByVal previousWindowState As Infragistics.Controls.Interactions.WindowState _ )
protected virtual void OnWindowStateChanged( Infragistics.Controls.Interactions.WindowState newWindowState, Infragistics.Controls.Interactions.WindowState previousWindowState )