Topmenus Topmenus define typical pull-down menus that appear at the top of application forms. Understanding topmenusThis is an introduction to topmenu definitions.Defining the topmenu in a form fileTopmenus can be defined in the form specification file within the TOPMENU section. Syntax of a topmenu file (.4tm)A .4tm topmenu file is an XML file that holds a tree of elements defining a topmenu structure.Loading .4tm topmenu definition filesTopmenu XML definition files can be loaded at runtime.Creating the topmenu dynamicallyTopmenus can be created at runtime by creating the corresponding XML representation in the AUI tree.Topmenus on mobile devicesTopmenus can be used to implement a general options menu in mobile apps.ExamplesTopmenu usage examples.