Overview of the Trace and Debug Classes
The .NET Framework provides two essentially identical classes—Trace and Debug—for use in debugging applications and providing error checking while developing applications. The only difference between the two classes is that the Debug class code will only run if you build your application in debug mode. Whenever you build a release version of your application, any code that references the Debug class is removed. The Trace class, on the other hand, always places executable code in the application regardless of whether the application is built in debug or release mode. The Trace class is especially useful in debugging release-only issues.
To use either the Trace or Debug class, you need to define either the ...
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