Tuesday 8 October 2013

Class File and Directory in C#

Class File and Directory in C#.........................................

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace TestFile
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}


// invoked when user presses key...............
private void txtinput_KeyDown(object sender, KeyEventArgs e)
{
//determine whether user pressed Enter Key...
if (e.KeyCode == Keys.Enter)
{
string filename = txtinput.Text;
if (File.Exists(filename))
{
GetInformation(filename);
StreamReader stream = null; //declare StreamReader.....
try
{

stream = new StreamReader(filename);
txtoutput.AppendText(stream.ReadToEnd());
}
catch (IOException)
{
MessageBox.Show("Error reading from File", "File Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//determine whether filename is a Directory...............
else if(Directory.Exists(filename))
{
GetInformation(filename);
string[] directoryList = Directory.GetDirectories(filename);
txtoutput.AppendText("Directory Contents:\n");
foreach (var directory in directoryList)
{
txtoutput.AppendText(directory + "\n");
}
}

else
{
MessageBox.Show(txtinput.Text + "  "+"   does not exist", "File Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}

private void GetInformation(string filename)
{
txtoutput.Clear();
txtoutput.AppendText(filename + "  "+"is exists\n");
//output when file or dirctory was created.............
txtoutput.AppendText("Created:" + File.GetCreationTime(filename) + "\n");
//output when file or dirctory was modified.............
txtoutput.AppendText("Last Modified:" + File.GetLastWriteTime(filename) + "\n");
//output when file or dirctory was accessed.............
txtoutput.AppendText("Last Accessed:" + File.GetLastAccessTime(filename) + "\n");

}
}
}

0 comments:

Post a Comment