Canguro.Controller.CommandServices.parseItem C# (CSharp) Метод

        private void parseItem(string parseStr, System.Collections.IList list, string dataStr)
        {
            if ((list != null) && (!string.IsNullOrEmpty(parseStr)))
            {
                try
                {
                    int index = int.Parse(parseStr.Trim());

                    if (index >= 0 && index < list.Count)
                        waitingObj = (Canguro.Model.Item)list[index];
                    else
                        throw new Canguro.Model.InvalidIndexException(dataStr);

                    if (waitingObj == null)
                        throw new Canguro.Model.InvalidIndexException(dataStr);
                }
                catch (FormatException)
                {
                    System.Windows.Forms.MessageBox.Show(
                        Culture.Get("enterDataError") + "'" + dataStr + "'",
                        Culture.Get("enterDataErrorTitle"), System.Windows.Forms.MessageBoxButtons.OK,
                        System.Windows.Forms.MessageBoxIcon.Error);
                    return;
                }
                catch (Canguro.Model.InvalidIndexException)
                {
                    System.Windows.Forms.MessageBox.Show(
                        Culture.Get("enterDataIndexError").Replace("*type*", dataStr) + "'" + parseStr + "'",
                        Culture.Get("enterDataErrorTitle"), System.Windows.Forms.MessageBoxButtons.OK,
                        System.Windows.Forms.MessageBoxIcon.Error);
                    return;
                }
            }

            if (waitingObj != null)
                ((Canguro.Model.Item)waitingObj).IsSelected = true;

            selectionFilter = WaitingFor.None;
        }