Method

CoglObjectset_user_data

Declaration [src]

void
cogl_object_set_user_data (
  CoglObject* object,
  CoglUserDataKey* key,
  void* user_data,
  CoglUserDataDestroyCallback destroy
)

Description [src]

Associates some private user_data with a given CoglObject. To later remove the association call cogl_object_set_user_data() with the same key but NULL for the user_data.

Available since:

1.4

Parameters

`key`	`CoglUserDataKey`
	The address of a `CoglUserDataKey` which provides a unique value with which to index the private data.
	The data is owned by the caller of the function.
`user_data`	`void*`
	The data to associate with the given object, or `NULL` to remove a previous association.
	The argument can be `NULL`.
	The data is owned by the caller of the function.
`destroy`	`CoglUserDataDestroyCallback`
	A `CoglUserDataDestroyCallback` to call if the object is destroyed or if the association is removed by later setting `NULL` data for the same key.