Debugging a WinForms control embedded in Internet Explorer

We're just working through a couple of final issues with the Windows Forms interface
to Source Control. While on the topic, here are a few useful links on the subject:

-
Host
Secure, Lightweight Client-Side Controls in Microsoft Internet Explorer

Great overview of how to host Windows Forms controls within the browser  

• Configuring
  Internet Explorer Applications

  Using a configuration file referenced from the hosting page to define how the runtime
  treats the control

• Use the IEHost
  Log to Debug .NET Object Hosting in Internet Explorer

  How to find out what IE is (or is not) loading and where any failures are coming from

• Assembly
  Binding Log Viewer (Fuslogvw.exe)

  How to check which assembly versions are being loaded (especially useful when
  working through a caching proxy)