RPS.Screensaver.DoWorkDeleteFile C# (CSharp) Method

        private void DoWorkDeleteFile(object sender, DoWorkEventArgs e) {
            //            Debug.WriteLine(this.config.getPersistant("folders"));
            BackgroundWorker worker = sender as BackgroundWorker;
            // Lower priority to ensure smooth working of main screensaver
            System.Diagnostics.Process.GetCurrentProcess().PriorityClass = System.Diagnostics.ProcessPriorityClass.BelowNormal;
            int monitorId = Convert.ToInt32(((object[])(e.Argument))[0]);
            string filename = Convert.ToString(((object[])(e.Argument))[1]);
            int i = 0;
            while (File.Exists(filename) && i < 100) {
                i++;
                try {
                    FileSystem.DeleteFile(filename, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.DoNothing);
                    this.fileNodes.deleteFromDB(filename);
                } catch (ArgumentNullException ane) {
                    this.monitors[i].showInfoOnMonitor("Nothing to delete");
                } catch (Exception ex) {
                    if (this.monitors[i].imagePath() == filename) this.monitors[i].showInfoOnMonitor("Deleting\n"+Path.GetFileName(filename));
				    Thread.Sleep(1000);
                }
            }
        }