CSL_Test__1.MainWindow.DeleteWorkerProgressChange C# (CSharp) Method

        void DeleteWorkerProgressChange(object sender, ProgressChangedEventArgs e)
        {
            int progress = 0;

            if (!(e.ProgressPercentage > 100 || e.ProgressPercentage < 0))
                progress = e.ProgressPercentage;

            if (progress % 10 == 0)
                StatusLabel.Text = "Deleting " + 10 * (progress / 10) + "%";
            else
                StatusLabel.Text += ".";
            dataGridViewProgressBar.Value = progress;
        }