CRichEditCtrl::Undo
Undoes the last operation in the rich edit control.
BOOL Undo( );
Return Value
Nonzero if the undo operation is successful; otherwise, 0.
Remarks
An undo operation can also be undone. For example, you can restore deleted text with the first call to Undo. As long as there is no intervening edit operation, you can remove the text again with a second call to Undo.
For more information, see EM_UNDO in the Windows SDK.
Example
See the example for CanUndo.
Requirements
Header: afxcmn.h