I have a customer application that uses a .Net Compact Framework 2.0   application.    We've just uncovered a little issue that we know is fixed in the .Net Compact Framework 3.5

If you place a NumericUpDown Control on a form, i.e

The Maximum value you can set it too, is 32767. 

If you go any higher,  you end up with a 0 in your NumericUpDown control.

I just found this out the hard way...