rename file in c#

[meeeeeeeeeep]

i use:
fiFileInfo.CopyTo(Path.ChangeExtension(fiFileInfo. FullName + fiFileInfo.Extension, ".enc"), false);
to rename a file (eg: crap.ppt -> crap.ppt.enc).

if the file is really big (400mb), this take 6-7 minutes. is there a better way to rename files?

regards
meeeeeeeeeep

[Banfa]

try

fiFileInfo.MoveTo( Path.ChangeExtension(fiFileInfo.FullName + fiFileInfo.Extension, ".enc") )

[meeeeeeeeeep]

cheers, and im sorry, i should have known that..

[Mihania]

It is better to use method
Path.ChangeExtension(string path, string extension);

[jon79de]

OK here the easist way with all descriptions:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace rhozetApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private int File_Delete(string Filepath)
        {
            FileInfo fi = new FileInfo(Filepath);
 
            if (fi.Exists)
            {
                fi.Delete();
            }
            return 1;
        }
 
        private int File_rename(string FilepathOld, string FilepathNew)
        {
            FileInfo fi = new FileInfo(FilepathOld);
 
            if (fi.Exists)
            {
                fi.MoveTo(FilepathNew);
 
            }
            return 1;
        }
 
        private void button1_Click(object sender, EventArgs e)
 
        {
 
            FileInfo fi = new FileInfo("C:\\dateiname.txt");
 
            if (fi.Exists)
            {
                fi.MoveTo("C:\\dateiname.mpg");
                textBox1.Text = "           Succesfull!    ";
            }
            else
            {
                textBox1.Text = "           Failed!    ";
            }
        }
    }}

\\ a button and a text box is requiert to run it

have fun

[tlhintoq]

TIP: When you are writing your question, there is a button on the tool bar that wraps the [code] tags around your copy/pasted code. It helps a bunch. Its the button with a '#' on it. More on tags. They're cool. Check'em out.