Uses of Class javax.swing.undo.CannotUndoException (Java SE 26 & JDK 26)
Description: use: module: java.desktop, package: javax.swing.undo, class: CannotUndoException

# Uses of Class
javax.swing.undo.CannotUndoException

Packages that use CannotUndoException
Package
Description
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
  Modifier and Type
  Method
  Description
  `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
  Modifier and Type
  Method
  Description
  `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.