Initializes a new instance of the AddTargetEventArgs class.
UndoableAction being added to the UndoStack.
Gets a reference to the UndoableAction that this event refers to.
Gets or sets a value that indicates whether the event should be canceled.
Provides a value to use with events that do not have event data.
Provides arguments for the UndoStack.undoingAction, UndoStack.undoneAction, UndoStack.redoingAction, and UndoStack.redoneAction events.