copy file to startup

private void copyBat()
	    {
	        try
	        {
	            string source_dir = "c:\\Debug";
	            string destination_dir = "C:\\Users\\pc\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup";

	            if (!System.IO.Directory.Exists(destination_dir))
	            {
	                System.IO.Directory.CreateDirectory(destination_dir);
	            }

	            // Create subdirectory structure in destination
	            foreach (string dir in Directory.GetDirectories(source_dir, "*", System.IO.SearchOption.AllDirectories))
	            {
	                Directory.CreateDirectory(destination_dir + dir.Substring(source_dir.Length));

	            }

	            foreach (string file_name in Directory.GetFiles(source_dir, "*.*", System.IO.SearchOption.AllDirectories))
	            {
	                File.Copy(file_name, destination_dir + file_name.Substring(source_dir.Length), true);
	            }
	        }

	        catch (Exception e)
	        {
	            MessageBox.Show(e.Message, "HATA", MessageBoxButtons.OK, MessageBoxIcon.Warning);
	        }

	    }