Uses of Class
javax.swing.undo.CannotUndoException

Packages that use CannotUndoException

包	描述
javax.swing.text	Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.undo	Allows developers to provide support for undo/redo in applications such as text editors.

Uses of CannotUndoException in javax.swing.text

Methods in javax.swing.text that throw CannotUndoException

修饰符和类	方法	描述
void	AbstractDocument.DefaultDocumentEvent.undo()	Undoes a change.
void	AbstractDocument.ElementEdit.undo()	Undoes a change.
void	DefaultStyledDocument.AttributeUndoableEdit.undo()	Undoes a change.

Uses of CannotUndoException in javax.swing.undo

Methods in javax.swing.undo that throw CannotUndoException

修饰符和类	方法	描述
void	AbstractUndoableEdit.undo()	Throws CannotUndoException if canUndo returns false.
void	CompoundEdit.undo()	Sends undo to all contained UndoableEdits in the reverse of the order in which they were added.
void	UndoableEdit.undo()	Undo the edit.
void	UndoManager.undo()	Undoes the appropriate edits.
void	UndoManager.undoOrRedo()	Convenience method that invokes one of undo or redo.
protected void	UndoManager.undoTo(UndoableEdit edit)	Undoes all changes from the index of the next edit to edit, updating the index of the next edit appropriately.