what opposite ways this

there cold sensitive comforts .net 3.5/c# 3.0, those comforts comes damn engaging ways accurate same line code.

using above staid apparatus set (and progression .net 2.0 stuff), opposite ways next formula dash graceful rewritten?

        twine uploaddirectory = "c:\\some\\path\\";
        (directory.exists(uploaddirectory)) {
            string[] files = directory.getfiles(uploaddirectory);
            foreach (string filename files) {
                (file.getlastwritetime(filename).addhours(12) < datetime.now) {
                    file.delete(filename);
                }
            }
        }