IUndoRedoManagerT Interface

Represents the interface that provides functionalities for managing undo and redo processes.

Namespace: RAYLASE.Marker.UndoRedo
Assembly: RAYLASE.Marker.UndoRedo (in RAYLASE.Marker.UndoRedo.dll) Version: 2.31.0

Syntax

public interface IUndoRedoManager<T> : IDisposable

The IUndoRedoManagerT type exposes the following members.

Properties

	Name	Description
	CanRedo	Checks if there are any stored state available on the redo stack.
	CanUndo	Checks if there are any stored state available on the undo stack.
	InUndoRedo	Gets a value indicating if the history is in the process of undoing or redoing.
	MementoSizeThreshold	The size threshold that a memento can be added to the stack. A non-positive value means no size limit. The size is just an arbitrary value.
	RedoCount	Gets number of redo actions available
	StackPermissionType	The flag to indicate how a memento is added to the stack.
	Subject	The subject that this undo redo history is about.
	SupportRedo	Gets or sets whether the history supports redo.
	UndoCount	Gets number of undo actions available
	Validator	The delegate to ask for confirmation when a memento is added. A null validator means that the memento is always approved.

Methods

	Name	Description
	Clear	Clear the entire undo and redo stacks.
	CompoundDo	Pushes mementos into the undo stack, any time the state of Subject changes.
	Do(IListIMementoT)	Pushes mementos into the undo stack, any time the state of Subject changes.
	Do(IMementoT)	Pushes an memento into the undo stack, any time the state of Subject changes.
	PeekRedo	Gets, without removing, the top memento on the redo stack.
	PeekUndo	Gets, without removing, the top memento on the undo stack.
	Redo	Restores the subject to the next state on the redo stack, and stores the state before redoing to undo stack. Method CanRedo can be called before calling this method.
	Undo	Restores the subject to the previous state on the undo stack, and stores the state before undoing to redo stack. Method CanUndo can be called before calling this method.

Events

	Name	Description
	StackChanged	Raised whenever there is a change to the undo-redo stack.