Woops - I forgot that people still write Windows apps!!
I took a quick look-see, and I don't see any equivalent for WinForms..
although, it wouldn't hurt to try to maybe inherit from one of those
classes - because they are very useful and are probably extensible?? .NET,
especially 2.0 is particularly good for "if you don't see exactly what you
need, you can probably inherit from a class that is close - and make your
Sorry - good luck!