'Delphi: Disable undo in Memo/Edit
I have implemented an UndoManager for a TMemo/TEdit and now I want to disable default Undo behavior (Ctrl+Z and Undo in context menu) is these components and instead do my undo/redo commands.
I tried to catch WM_UNDO, but Ctrl+Z seems sending another message. Also I don't know how to handle it after message received (for example for WM_PASTE we could clear clipboard)
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