SunsetHigh.InGameMenu.pushActivePanel C# (CSharp) Method

        public static void pushActivePanel(Panel panel)
        {
            nullCheck();
            if (panel == null)
                return;

            activePanel.onUnfocus();
            activePanel = panel;
            panelStack.Push(activePanel);
            PanelGroupSorter.panelIn(activePanel);
            activePanel.onFocus();
            menuArrow.moveToActivePanel(activePanel);
        }