I\'m trying to do this:
I\'m creating another form, which in it\'s FormClosed method throws an exception, that should be caught by the main form.
Main Form:<
Why are you trying throw an exception from one form to another? "Don't throw new Exception()"
If you are trying to let the main form know that the options form is closed you could just have a flag on the main form which is set from the options form.