| WindowaddEventListener Method  | 
 Note: This API is now obsolete.
                Registers an event listener on the specified event. 
            
 
    Namespace: 
   Openfin.Desktop
    Assembly:
   OpenfinDesktop (in OpenfinDesktop.dll) Version: 17.4.0
 Syntax
Syntax[ObsoleteAttribute("This method is obsolete. Use Window events instead.")]
public void addEventListener(
	string type,
	AckCallback listener,
	AckCallback callback = null,
	AckCallback errorCallback = null
)Parameters
- type
- Type: SystemString
 A JSON object containing subscription information such as the topic and type.
- listener
- Type: Openfin.DesktopAckCallback
 A function that is called whenever an event of the specified type occurs.
                It is passed an event object containing information related to the event.
- callback (Optional)
- Type: Openfin.DesktopAckCallback
 (Optional) A function that is called if the method succeeds.
- errorCallback (Optional)
- Type: Openfin.DesktopAckCallback
 (Optional) A function that is called if the method fails.
                The reason for failure is passed as an argument.
 See Also
See Also