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Delphi source code for Components >> Undo in memo fields

Category: Components
Title: Undo in memo fields
Date added: 15.03.2006
Hits: 8630

Memo1.Perform(EM_UNDO, 0, 0);
ButtonUndo.Enabled := Memo1.Perform(EM_CANUNDO, 0, 0);
ButtonUndo.Enabled := Memo1.CanUndo; // in Delphi 4 or higher
Memo1.Perform(EM_EMPTYUNDOBUFFER, 0, 0);
Memo1.ClearUndo; // in Delphi 4 or higher

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