CASCExplorer.InitForm.backgroundWorker1_RunWorkerCompleted C# (CSharp) Метод

        private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            DialogResult = DialogResult.Cancel;

            if (e.Cancelled)
            {
                MessageBox.Show("Loading cancelled", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                //Application.Exit();
                return;
            }

            if (e.Error != null)
            {
                MessageBox.Show("Loading failed due to:\n" + e.Error.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                //Application.Exit();
                return;
            }

            if (e.Result == null)
            {
                MessageBox.Show("Loading failed: Result is null", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                //Application.Exit();
                return;
            }

            var result = (object[])e.Result;
            CASC = (CASCHandler)result[0];
            Root = (CASCFolder)result[1];

            DialogResult = DialogResult.OK;
        }