window_load_component_file
window_load_component_file(window, xuifile)
window_load_component_file adds toolbars and menus to an existing window based on the XUI definition in the specified file. Existing toolbars and menus will not be affected by the addition.
• window — The value of the id attribute of the window to be changed. This window can be an edit window or a dialog box.
• xuifile — The XML file defining the XUI controls to be added to the window.
Refer to the Working with XUI (XML-based User Interface) dialog boxes section of the Customizer's Guide for detailed information on XUI dialog boxes.