private void toolStripMenuItemInsertDefined_Click(object sender, EventArgs e)
{
TreeNode tnParent = this.treeView.SelectedNode;
DocSchema docSchema = (DocSchema)tnParent.Tag;
DocType docType = new DocDefined();
InitDefinition(docType);
docSchema.Types.Add(docType);
this.treeView.SelectedNode = this.LoadNode(tnParent.Nodes[0], docType, null, true);
toolStripMenuItemEditRename_Click(this, e);
}