private void Task()
        {
            try
            {
                int?opertype = ((int)operTypeBox.SelectedValue == -1) ? null : (int?)operTypeBox.SelectedValue;

                TechnologyOperationsManager import = new TechnologyOperationsManager();
                import.LoadFromXml(fileBox.TextValue, fileDopBox.TextValue);
                import.Load(opertype);

                TaskAccept = true;

                MessageBox.Show(
                    "Операция успешно завершена!",
                    "Информация",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Information
                    );
            }
            catch (Exception exc)
            {
                MessageBox.Show(
                    exc.Message + " " + exc.StackTrace,
                    "Ошибка!",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                    );
            }
            finally
            {
                okButton.Enabled     = true;
                cancelButton.Enabled = true;
            }
        }
        public override void Run(object sender, EventArgs e)
        {
            try
            {
                fileBox.Filter = Extension;

                IImportManager import = new TechnologyOperationsManager();
                import.LoadFromXml(this.File);
                import.Load();

                MessageBox.Show(
                    "Операция успешно завершена!",
                    "Информация",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Information
                    );

                DialogResult = DialogResult.OK;
            }
            catch (Exception exc)
            {
                MessageBox.Show(
                    exc.Message + " " + exc.StackTrace,
                    "Ошибка!",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                    );
            }
        }