Receivers can be inluded as a part of the definition of windows, menus or timers. This is done with the following instance definitions and allows inter device communication.
instance Controls (Receiver m) instance Controls (Receiver2 m r) instance MenuElements (Receiver m) instance MenuElements (Receiver2 m r) instance TimerElements (Receiver m) instance TimerElements (Receiver2 m r)
See Section 8, “StdControl”, Section 15, “StdMenu” and Section 16, “StdTimer” for class definitions.