static void Main(string[] args)

        {

            string filePath = @"e:\test\abc.jpg";

            Console.WriteLine(Path.GetFullPath(filePath)); //--> E:\test\abc.jpg

            Console.WriteLine(Path.GetDirectoryName(filePath)); //--> E:\test

            Console.WriteLine(Path.GetFileName(filePath)); //--> abc.jpg

            Console.WriteLine(Path.GetFileNameWithoutExtension(filePath)); //--> abc

            Console.WriteLine(Path.GetExtension(filePath)); //--> .jpg

            Console.WriteLine(Path.GetPathRoot(filePath)); //--> E:\

            Thread.Sleep(3000);

        }