private void toolStripMenuItemInsertExchange_Click(object sender, EventArgs e)
{
DocModelView docView = this.treeView.SelectedNode.Tag as DocModelView;
DocExchangeDefinition docExchange = new DocExchangeDefinition();
docView.Exchanges.Add(docExchange);
TreeNode tnParent = this.treeView.SelectedNode;
this.treeView.SelectedNode = this.LoadNode(tnParent, docExchange, docExchange.ToString(), false);
toolStripMenuItemEditRename_Click(this, e);
}