Debug.WriteLine() is not hit

Question

I am debugging a Windows service (by hitting F5 in Visual Studio 2010) using the following code:

In Program.cs file:

Answer 1

I had the same random problem.

I was able to just fix it by:

1. Uncheck the Project Properties -> Build -> Define DEBUG constant
2. Click Save
3. Check 'Define DEBUG constant' option again
4. Click Save
5. Rebuild the Project
6. Run

After doing this it hit the #if DEBUG line as expected.