Luc Pattyn wrote: you can Open() a port after it has been closed (cant be true if Close disposes of port) Looking at the code more deeply all that the base.Dispose(true) does is remove the component from the container and fires the Disposed event.  So looks like it may remain usable. My Blog[^]

TheTinSoldier wrote: good luck and bring back some silverware! Thanks, I've finally been given the go-ahead by the doctors so I'm definitely off to America now :cool:, just wish I'd changed my gun before I went (I've been trying out a friend's gun and been shooting better with it)