prepare(withInvocationTarget:)
Prepares the undo manager for invocation-based undo with the given target as the subject of the next undo operation.
Declaration
func prepare(withInvocationTarget target: Any) -> AnyParameters
- target:
The target of the undo operation.
The undo manager maintains a weak reference to
target.
Return Value
A proxy object that forwards messages to the undo manager for recording as undo actions.