Uses of Class javax.swing.undo.CannotUndoException (Java SE 15 & JDK 15)
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.