private void pasteBeforeToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (HasDataInClipboard() && HasSelected())
     {
         int id = SelectedIndex();
         LayerRenderOption l = new LayerRenderOption();
         if (l.Read((byte[])Clipboard.GetData("ActEdit_LayerRenderOption")))
         {
             file.renderLayers.Insert(id, l);
             listView1.Items.Insert(id, new ListViewItem(l.name));
         }
     }
 }