XControl:Abilities

Abilities

Abilities are LabVIEW files (mainly controls and VIs) that are needed of the XControl, and form the heart of the XControl

XControl abilities

Ability	Function	Called if/when	LabVIEW file type	Optional?
Init	To initialize memory, convert from previous version, load data from a previous session	The first time an XControl is added to a VI An XControl is upgraded A VI with an XControl is opened	Instrument (VI)	No
Data	Interface to the calling VI	NA	Control (ctl)	No
State	Contains local data for the XControl	NA	Control (ctl)	No
Facade	Contains the code running when the XControl is active	Every time an event inside the Facade VI is triggered	Instrument (VI)	No
Uninit	To close items allocated in Init	The XControl is unloaded from memory	Instrument (VI)	Yes
Convert state for save	Change the data that is saved inside a VI	The VI containing the XControl is saved	Instrument (VI)	Yes