procedure TForm1.FormCreate(Sender: TObject); begin MtxDataSet.Dataset := Table1; MtxDataSet.VecColumns.Clear; with MtxDataset.VecColumns.Add do begin FieldName := 'TimeAnalysis'; ReadWriteMode := wmRecord; end; // read only first field MtxDataset.VecColumns[0].ReadDataset; // do scale operation on VecColumns[0].Vector MtxDataset.VecColumns[0].Vector.Scale(2.5); // save changes back to dataset MtxDataset.VecColumns[0].WriteDataset; end;

void __fastcall TForm1::FormCreate(TObject *Sender) { MtxDataSet->Dataset = Table1; MtxDataSet->VecColumns->Clear(); TVecColumn *col; col = MtxDataSet->VecColumns->Add(); col->FieldName = "TimeAnalysis"; col->ReadWriteMode = wmRecord; // read only first field MtxDataset->VecColumns[0].ReadDataset; // do scale operation on VecColumns->Items[0]->Vector MtxDataset->VecColumns->Items[0]->Vector->Scale(2.5); // save changes back to dataset MtxDataset->VecColumns->Items[0]->WriteDataset(); }