Registration Map:Unregister VI

Owning Palette: Registration Map VIs

Requires: Base Development System

Removes an entry from a registration map. This VI signals the calling VI if the given element is the last element registered for this key.

Example

Add to the block diagram

Find on the palette

	map in specifies the registration map from which you want to remove an element. This input accepts a map of sets of any data type. The default data type is a map of sets of 32-bit signed integers.
	key specifies the key. This input must be of the same data type as the existing keys in the map.
	set element specifies the set element that may be registered for the specified key. This input must be of the same data type as the elements of the sets in the map.
	map out returns the registration map with the specified entry removed.
	element not registered for this key? returns whether the specified set element has been registered for the specified key.
	removed last registration for this key? returns whether the specified set of elements is the last set of elements registered for this key.

Example

Refer to the Registration Map Usage.lvproj in the labview\examples\Design Patterns\Registration Map directory for an example of using the Registration Map:Unregister VI.

 Open example  Find related examples