private void TuneControls() { if (_data == null) { return; } try { var buyPrice = _craft.GetBuyCost(_data); var count = tbCount.Text.ToInt(); if (buyPrice != null) { tbSum.Text = Utils.ToString(buyPrice.Value) + _data.MainCurrency.ShortName; tbSumPerOne.Text = Utils.ToString(buyPrice.Value / count) + _data.MainCurrency.ShortName; } else { tbSum.Text = string.Empty; } } catch { tbSum.Text = string.Empty; } }