Block auto-format ignore command in visual studio

I love using the Auto Formatting tool in Visual Studio CTRL K + CTRL D However, there are times when VS makes the formatting just a tad off from what I want if, for instance, I'm making a detailed kind of pseudo-code that relies on specific comments and indentation. Is there a way I can still use the CTRL K + CTRL D command and set visual studio to ignore a certain block of code or set of line numbers? Also, if there's an answer in VS 2013 but not in 2012, please post because I may be upgrading soon. Thanks in advance.