System.IO.File.GetLastWriteTime C# (CSharp) Method

        public static System.DateTime GetLastWriteTime(string path) { throw null; }
        public static System.DateTime GetLastWriteTimeUtc(string path) { throw null; }

        public static void CopyFile(File file, String destination)
        {
            Console.WriteLine("Currently Processing: " + file.Name);
            destination = String.Concat(destination, file.Name);
            String source = file.Path;

            // Does destination file exist?
            // Don't copy if the last modified date of the file is the same as what is present in the directory

            if (!SystemFile.Exists(destination) || SystemFile.GetLastWriteTime(destination) <= SystemFile.GetLastWriteTime(source) && FileSystemUtilities.ExtensionIsSupported(source))
            {
                try
                {
                    System.IO.File.Copy(source, destination, true);
                }
                catch
                {
                    Console.WriteLine("Couldn't copy at this time");
                    Console.WriteLine(source + "|" + destination);
                }
            }
        }