Visual Studio: Apply Code Changes Disabled

Question

I am using Visual Studio 2005. When I debug my project, "Apply Code Changes" is disabled in the menu. It once worked on my project, but today it doesn’t. What parameters should be checked for this to work.

Things I already checked:

I'm in debug mode.
"Debugging information format" is set to "Database of the program for editing and continuation".

Answer 1

Finally, I found that the parameter is missing:

" " → "- > ". " " "".

, - .

Answer 2

( ), , .

.ilk.