Gtk.UIManager.prototype.add_ui_from_file

function add_ui_from_file(filename:filename):Number {
    // Gjs wrapper for gtk_ui_manager_add_ui_from_file()
}

Parses a file containing a <link linkend="XML-UI">UI definition</link> and merges it with the current contents of manager.

Since 2.4

filename

the name of the file to parse

Returns

The merge id for the merged UI. The merge id can be used to unmerge the UI with Gtk.remove_ui. If an error occurred, the return value is 0.