Inventor.BrowserPane oPane = oDoc.BrowserPanes["AmBrowserArrangement"];
Inventor.BrowserNode oNode = oPane.TopNode;
if (oNode.Parent is Inventor.BrowserPane)
{
Debug.WriteLine("Parent method is working");
}
if (oNode.NativeObject is Inventor.AssemblyComponentDefinition)
{
Debug.WriteLine("NativeObject method is working");
}