Button callback functions for MenuScript button actions are of type
UF_MB_cb_status_t. The third argument of for these callbacks is a pointer
to a UF_MB_activated_button_t structure. This structure provides
information about the button that triggered the callback. The ancestors
array contains the names of all of the cascade buttons that were
were traversed to reach the activated button. The ancestor list will be
the same regardless of whether the the ancestor hierarchy was actually
traversed, or whether the button was activated via a tear-off menu or
playing back a macro.