Aborting a Method

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To abort a method such as an Open or Insert, call the Abort procedure in any of the Before event handlers (BeforeOpen, BeforeInsert, and so on). For example, the following code requests a user to confirm a delete operation or else it aborts the call to Delete:

procedure TForm1.TableBeforeDelete (Dataset: TDataset)
  if MessageDlg('Delete This Record?', mtConfirmation, mbYesNoCancel, 0) <> mrYes then

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