If your moving MFC or C++ extensions to dot net 2.0 here are a few items you might find useful

• Dudelabs offers RC converter which will take MFC resource files and convert them into Winform ( I have played with the demo it looks like it will help this conversion process).
• Microsoft offers VC++ 2003 Managed Extensions to VC++2005 C++/CLI Conversion Tool, a tool that was never finished but allows help for converting managed extensions to C++/CLI.  You can down load it here
• Microsoft has a C++/CLI Migration Primer that is worth a read.
• Microsoft also has Managed Extensions for C++ Syntax Upgrade Checklist article.
• Another Microsoft article Translation Guide: Moving Your Programs from Managed Extensions for C++ to C++/CLI
• Codeproject has dot net Document Management Toolkit Library adds the idea of document/view
• Codeproject also has C# SDI/MDI Application wizards
• Codeguru has a article on Converting dialog resources to C# forms Dialog Resource to C# Form Converter