Instance Method

prepareWithInvocationTarget:

Prepares the undo manager for invocation-based undo with the given target as the subject of the next undo operation.

Declaration

- (id)prepareWithInvocationTarget:(id)target;

Parameters

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.

See Also

Registering Undo Operations

- registerUndoWithTarget:handler:

Records a single undo operation for a given target so that when an undo is performed, it executes the specified block.

- registerUndoWithTarget:selector:object:

Registers the selector of the specified target to implement a single undo operation that the target receives.