Multiple assemblies - performance lost?

Question

I have a list of System.IO.Ports.SerialPort objects in one assembly, and I plan to handle the Data_Receieved event from another assembly.

I wonder if this m

Answer 1

There should be no impact on performance once the assemblies are loaded.

The only potential impact would be a (very slight) hit to load times. When the assemblies are loaded by the CLR, there is some work involved in loading each assembly. This is generally small enough that it's not noticable, however.