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CEdit::Undo

Call this function to undo the last edit-control operation.

BOOL Undo( );

For a single-line edit control, the return value is always nonzero. For a multiple-line edit control, the return value is nonzero if the undo operation is successful, or 0 if the undo operation fails.

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.

// Undo the last operation, if possible. 
if (m_myEdit.CanUndo())
   m_myEdit.Undo();

Header: afxwin.h

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