You are developing a Windows application by using Microsoft .NET Framework 4. You plan
to design a diagnostic logging strategy that will be used in a production environment. You
need to ensure that the strategy meets the following requirements: • Enables or disables
diagnostic messages by using an application configuration option. • Changes the level of
detail in the diagnostic messages without recompiling the application. Which class should
you use?
A.
Debug
B.
Contract
C.
Trace
D.
EventLog