Type Alias

CFTreeCopyDescriptionCallBack

Callback function used to provide a description of the program-defined information pointer.

Declaration

typealias CFTreeCopyDescriptionCallBack = (UnsafeRawPointer?) -> Unmanaged<CFString>?

Parameters

info

The program-supplied information pointer provided in a CFTreeContext structure.

Return Value

A textual description of info. The caller is responsible for releasing this object.

See Also

Callbacks

typealias CFTreeApplierFunction

Type of the callback function used by the CFTree apply function.

typealias CFTreeReleaseCallBack

Callback function used to release a previously retained program-defined information pointer.

typealias CFTreeRetainCallBack

Callback function used to retain a program-defined information pointer.