Difference between revisions of "EventDispatcher:hasEventListener"
From GiderosMobile
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| − | + | '''Available since:''' Gideros 2011.6<br/> | |
| − | + | '''Class:''' [[EventDispatcher]]<br/> | |
| − | ''' | + | |
| − | ''' | + | === Description === |
| − | === | + | Checks if the [[EventDispatcher]] object has an event listener registered for the specified type of event. |
| − | + | ||
| − | Checks if the [[ | ||
| − | |||
<source lang="lua"> | <source lang="lua"> | ||
(bool) = EventDispatcher:hasEventListener(type) | (bool) = EventDispatcher:hasEventListener(type) | ||
</source> | </source> | ||
| − | === | + | |
| − | '''type''': (string) | + | === Parameters === |
| − | === | + | '''type''': (string) The type of event.<br/> |
| − | ''' | + | |
| + | === Return values === | ||
| + | '''Returns''' (bool) A value of ''true'' if a listener of the specified type is registered; ''false'' otherwise.<br/> | ||
| + | |||
| + | ---- | ||
| + | {{Special:PrefixIndex/EventDispatcher}} | ||
| + | <br/> | ||
| + | |||
| + | {{Special:PrefixIndex/Event.APPLICATION}} | ||
| + | {{Special:PrefixIndex/Event.MEMORY}} | ||
| + | {{Special:PrefixIndex/Event.OPEN}} | ||
| + | <br/> | ||
Revision as of 20:26, 2 December 2019
Available since: Gideros 2011.6
Class: EventDispatcher
Description
Checks if the EventDispatcher object has an event listener registered for the specified type of event.
(bool) = EventDispatcher:hasEventListener(type)
Parameters
type: (string) The type of event.
Return values
Returns (bool) A value of true if a listener of the specified type is registered; false otherwise.
