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Carbon Events for Services

This chapter outlines the Carbon event classes, kinds, and parameters your application needs to install Carbon event handlers for services events. For more information on Carbon events, see the documentation for the Carbon Event Manager on the Carbon Developer Documentation website.

Event Classes and Kinds

There are four event kinds associated with the Carbon event class kEventClassService.

**Table A-1** Event classes and kinds used by application services
Event Class	Event Kind	Means
`kEventClassService`	`kEventServiceCopy`	Copy event
	`kEventServicePaste`	Paste event
	`kEventServiceGetTypes`	Get data types handled by the calling application
	`kEventServicePerform`	An application is requesting a service

Event Parameters for Services Events

The Carbon event parameters that are available for a services event vary depending on the kind of the services event.

**Table A-2** Carbon event parameters for service events
Event Kind	Event Parameter	Type
`kEventServiceGetTypes`	`kEventParamServiceCopyTypes`	`typeCFMutableArrayRef`
	`kEventParamServicePasteTypes`	`typeCFMutableArrayRef`
`kEventServiceCopy`	`kEventParamScrapRef`	`typeScrapRef`
`kEventServicePaste`	`kEventParamScrapRef`	`typeScrapRef`
`kEventServicePerform`	`kEventParamScrapRef`	`typeScrapRef`
	`kEventParamServiceMessageName`	`typeCFStringRef`
	`kEventParamServiceUserData`	`typeCFStringRef`

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