using System;
using System.Drawing;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Windows.Forms;
namespace CSharpapps
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
foreach (DriveInfo drive in DriveInfo.GetDrives())
{
try
{
textBox1.Text += drive.RootDirectory + " : "
+ drive.AvailableFreeSpace + " KB" + Environment.NewLine;
}
catch(IOException)
{
MessageBox.Show("Error : " + drive);
}
}
}
}
}
<?php
$filename = ‘test.csv’;
if (file_exists($filename))
{
print "The file $filename exists";
}
else
{
print "The file $filename does not exist";
}
?>
using System;
using System.IO;
namespace ConsoleApplication3
{
class Class1
{
static void Main(string[] args)
{
DirectoryInfo dirInfo = null;
if (Directory.Exists(@"d:\testdir1"))
{
dirInfo = new DirectoryInfo(@"d:\testdir1");
dirInfo.MoveTo(@"d:\testdir3");
}
}
}
}
<?php
$db = mysql_connect("localhost" , "username" , "password");
mysql_select_db("mysql" , $db);
$result = mysql_query("SHOW tables", $db);
while($row = mysql_fetch_row($result))
{
print("$row[0]<br>");
}
?>
using System;
using System.Net;
using System.Web.Mail;
class SimpleEmail
{
public static void Main()
{
string from = "youremail@email.com";
string to = "myemail@email.com";
string subject = "This is the subject line";
string body = "This is the body of the message";
SmtpMail.SmtpServer = "smtp.myemail.com";
SmtpMail.Send(from, to, subject, body);
}
}
using System;
using System.Net;
class GetDnsInfo
{
public static void Main(string[] argv)
{
if (argv.Length != 1)
{
Console.WriteLine("Usage: GetDnsInfo hostname");
return;
}
IPHostEntry results = Dns.GetHostByName(argv[0]);
Console.WriteLine("Host name: {0}",
results.HostName);
foreach(string alias in results.Aliases)
{
Console.WriteLine("Alias: {0}", alias);
}
foreach(IPAddress address in results.AddressList)
{
Console.WriteLine("Address: {0}",
address.ToString());
}
}
}
