C#

class ThreadSafe
{
  static object locker = new object(  );
  static int val1, val2;

  static void Go(  )
  {
    lock (locker)
    {
      if (val2 != 0) Console.WriteLine (val1 / val2);
      val2 = 0;
    }
  }
}

the_jat wrote:

I think the nutshell author was wrong when he said that the lock protected the variables

the_jat wrote:

static void Go( )

public static void Go( )

CPallini wrote:

I suppose it is...

CPallini wrote:

OK, so how may you use it (i.e. How may Go be ever called?)?

public void GoGo()
{
   ........
   ........
   if(....)
    ThreadSafe.Go();// OR Go();
   else
    GoGoGo();
   ........
}

the_jat wrote:

but still one thread can(I guess) modify the static variables as the other is executing the if statement

N a v a n e e t h wrote:

This will not happen as if condition and modifying variable is in the lock

using System.Diagnostics; 

foreach (Process tempProcess in Process.GetProcesses())
{
    listBox1.Items.Add(tempProcess.ToString());
}

.ForEach(n => cmbrestore.Items.Add(Path.GetFileName(n)); <br />

Vuyiswa Maseko wrote:

i have not done IO before. So what is the name space ?

Vuyiswa Maseko wrote:

Does this code supposed to be on one line ?

Vuyiswa Maseko wrote:

The "Tolist()" is not recognised,

The Foreach not working

DirectoryInfo dir = new DirectoryInfo(@"C:\DATABASES\");

FileInfo[] files = dir.GetFiles();

foreach (FileInfo file in files)
{
    cmbrestore.Items.Add(Convert.ToString(file));
}