Difference between revisions of "EventDispatcher:addEventListener"

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__NOTOC__
 
 
'''Available since:''' Gideros 2011.6<br/>
 
'''Available since:''' Gideros 2011.6<br/>
 +
'''Class:''' [[EventDispatcher]]<br/>
 +
 
=== Description ===
 
=== Description ===
<translate><br />
+
Registers a listener function and an optional data value so that the listener function is called when an event of a particular type occurs.
Registers a listener function and an optional data value so that the listener function is called when an event<br />
 
of a particular type occurs.<br />
 
<br /></translate>
 
 
<source lang="lua">
 
<source lang="lua">
EventDispatcher:addEventListener(type,listener,data)
+
EventDispatcher:addEventListener(type,listener,data)
 
</source>
 
</source>
 +
 
=== Parameters ===
 
=== Parameters ===
'''type''': (string) <translate>The type of event.</translate> <br/>
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'''type''': (string) the type of event<br/>
'''listener''': (function) <translate>The listener function that processes the event.</translate> <br/>
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'''listener''': (function) the listener function that processes the event<br/>
'''data''': (any) <translate>An optional data parameter that is passed as a first argument to the listener function.</translate> '''optional'''<br/>
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'''data''': (any) an optional data parameter that is passed as a first argument to the listener function '''optional'''<br/>
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 +
{{EventDispatcher}}

Revision as of 18:54, 8 September 2021

Available since: Gideros 2011.6
Class: EventDispatcher

Description

Registers a listener function and an optional data value so that the listener function is called when an event of a particular type occurs.

EventDispatcher:addEventListener(type,listener,data)

Parameters

type: (string) the type of event
listener: (function) the listener function that processes the event
data: (any) an optional data parameter that is passed as a first argument to the listener function optional