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Packages that use CannotUndoException 
| Package | 
Description | 
| javax.swing.text | 
 Provides classes and interfaces that deal with editable and noneditable text
 components. 
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| javax.swing.undo | 
 Allows developers to provide support for undo/redo in applications such as
 text editors. 
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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. 
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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. 
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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. 
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