private void AddNodeToTree(Roslyn.Compilers.VisualBasic.SyntaxNode codeNode, ItemsControl parent)
{
var newNode = new TreeViewItem();
newNode.Header = codeNode.GetType().Name;
newNode.ToolTip = codeNode.ToFullString();
parent.Items.Add(newNode);
foreach (var childCodeName in codeNode.ChildNodes())
{
AddNodeToTree(childCodeName, newNode);
}
}