VB6 VB。净转换——System.Collections.IEnumerator

I have a fairly lengthly block of code that I'm trying to convert from VB6 to VB.NET. The ArcObjects GIS code basically looks at a table and groups a bunch of GIS layers together and adds them to the ArcMap table of contents. I'm having trouble with this line when testing it in Visual Studio 2010:I have a fairly lengthly block of code that I'm