How to rename files while moving one folder to another folder

Hi,

If any body know please try to resolve my probblem,
Actually I want move files from one folder to another folder after reading files.So while moveing the files i want rename those file please try to help me
My Code is :

FileInfo[] Folder1Files = dir1.GetFiles();
            if (Folder1Files.Length > 0)
            {
                foreach (FileInfo aFile in Folder1Files)
                {
                    string ss = "E:\\Import\\TestFileSave\\" + aFile.Name;
                ...