private void btnRemoveOverlay_Click(object sender, EventArgs e) { pnlCurrentOverlay.Controls.Clear(); if (lstOverlays.SelectedItems.Count > 0) { if (_capturer.IsRunning) { _capturer.RemoveOverlay(lstOverlays.Items.IndexOf(lstOverlays.SelectedItems[0])); } lstOverlays.Items.Remove(lstOverlays.SelectedItems[0]); } }