C#

int code = int.Parse(ZipCode);<br />
if((code >= 1000) && (code <= 1999))<br />

bool IsInRange(string zipCode){
   int code;
   return (int.TryParse(zipCode, out code) && code >= 1000 && code <= 1999);
}

Donosguy wrote:

mgr.TestEvent += new Manager.TestEventDelegate(RecieveEvent);

Donosguy wrote:

TestEvent = new TestEventDelegate(RaiseEvent);

Public class Manager
{
    public static Manager myManager;
    public delegate TestEventDelegate (object sender, int i);
    public event TestEventDelegate TestEvent;

    // This initilaize is called from another class which gets 1st called
    public static Manager Initialize() {
        if(myManager == null)
            myManager = new Manager();
        else
            myManager;
    }

     public void InitializeEvent()
     {
        if(TestEvent != null)
            TestEvent(this, 10);
     }
    }

// Now in another Class
public class Reciever
{
     public Reciever() // Constructor
     {
        Manager manager = Manager.Initialize();
        Subscribe(manager);
        manager.InitializeEvent();
     }

     public void RecieveEvent( object sender, int i)
     {
         MessageBox.Show("Event Success!!!");
     }

     public Subscribe(Manager mgr)
     {
         mgr.TestEvent += new Manager.TestEventDelegate(RecieveEvent);
     }
}