private void AddToLog(string Str) { if (this.InvokeRequired) { delVStr del = new delVStr(AddToLog); this.Invoke(del, new object[] { Str }); } else { tbxLog.Text += DateTime.Now.ToString("HH:mm:ss: ") + Str + Environment.NewLine; tbxLog.SelectionStart = tbxLog.Text.Length; tbxLog.ScrollToCaret(); tbxLog.Refresh(); } }