I default all of my VS2005 web development to the file based web server (also referred to as the Development web server). This gave me a big headache today when I couldn't solve a problem.

I was trying to host a Windows Forms control built in VS2005 in a web page.

Update: this problem seems to be specific to ink-enabled controls. Normal controls work fine against the development server.

No matter what I kept getting this where my control was supposed to be:

I moved the application to be hosted on IIS and all was well. If I can find out how to get this working on the file based webserver, I will post the solution.