private void qbAddItemInsertSibling_Click(object sender, EventArgs e)
{
QbItemBase qbi = QbFile.CreateQbItemType(_qbFile, (QbItemType)((ToolStripMenuItem)sender).Tag);
//QbItemBase qbi = QbFile.CreateQbItemType(_qbFile, (QbItemType)Enum.Parse(typeof(QbItemType), (string)((ToolStripMenuItem)sender).Tag));
addItemInsertSibling(qbi);
}