I quite often use the ReSharper \"Clean Up Code\" command to format my code to our coding style before checking it into source control. This works well in general, but some
As a last resort, if you've got legacy code that you don't want to format but you want additions to the class to be nicely formatted, then make the class partial and put new code in the new file.
Check out this question I asked that involves the same issue: Resharper formatting code into a single line
The answer I got there work really good for me.
Resharper>Options>Languages>C#>Formatting Style>Other>
Uncheck "Indent anonymous method body" and "Indent array, object and collection initilizer blocks" and anything else that strikes your fancy.