DBGrid不夠寬加'...'

DBGrid不夠寬加'...'

procedure TForm1.ADODataSet1MaterielNameGetText(Sender: TField;
  var Text: string; DisplayText: Boolean);
var
  lSingleWidth: integer;
  lDBGridWidth: integer;
begin
  lSingleWidth := DBGrid1.Canvas.TextWidth('壹');
  lDBGridWidth := DBGrid1.Columns[1].Width;
  if DBGrid1.Canvas.TextWidth(Sender.AsString) <= lDBGridWidth then
    Text := Sender.AsString
  else if DBGrid1.Canvas.TextWidth(Sender.AsString) > lDBGridWidth then
  begin
    lSingleWidth := lDBGridWidth div lSingleWidth - 1;
    if lSingleWidth mod 2 = 1 then
      lSingleWidth := lSingleWidth + 1;
    Text := Copy(Sender.AsString, 1, lSingleWidth) + '...';
  end
end;