The documentation says the event is fired "when the user has changed the
time".  What about when Windows changes the time for DST transitions?  Will
the event also be fired for that?  If not, how can my .NET app be notified
when that occurs.

Document mangment in .net
Debugger Already attached, help
Scientific Notation when serializing doubles
Large text file - in memory ( > 60mb)
Global Semaphore problems