TdxSpreadSheetHistory.Lock Method
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Protects the history action lists from changes until an Unlock procedure call.
#Declaration
Delphi
procedure Lock;
#Remarks
Call this procedure to protect history actions stored in the undo and redo lists. A spreadsheet control cannot record new history actions and clear the redo list while the history is locked. You still can call Undo and Redo procedures to navigate between recorded document states.
Note
The Can
See Also