private void onClickRemove(object sender, EventArgs e) { int i = int.Parse(listBox.Items[listBox.SelectedIndex].ToString()); DialogResult result = MessageBox.Show(String.Format("Are you sure to remove {0}", i), "Remove", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2); if (result == DialogResult.Yes) { Gumps.RemoveGump(i); FiddlerControls.Events.FireGumpChangeEvent(this, i); if (!ShowFreeSlots) { listBox.Items.RemoveAt(listBox.SelectedIndex); } pictureBox.BackgroundImage = null; listBox.Invalidate(); Options.ChangedUltimaClass["Gumps"] = true; } }