private void button1_Click(object sender, EventArgs e) { LabelSearchingInProgress.Text = "Scanning..." + Environment.NewLine + Environment.NewLine + "(Window may appear unresponsive)"; LabelSearchingInProgress.Visible = true; LabelSearchingInProgress.Update(); ImportFormListView.BeginUpdate(); System.Threading.Thread.Sleep(500); ImportFormListView.Clear(); ImportProgressbar.Value = 0; ImportProgressbar.Visible = true; GetAddonList(); System.Threading.Thread.Sleep(500); labelImportSelected.Visible = true; LabelSearchingInProgress.Visible = false; ImportFormListView.EndUpdate(); }