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