C#

class Customer
{
    // This holds the number that the next newly created account
    // will be.
    private static int _nextAccountNumber = 0;

    // This holds the number of this instance's account.
    private int _accountNumber;


    // This is the constructor that is used when creating
    // a new customer account.
    public Customer()
    {
        _accountNumber = GenerateNextAccountNumber();
    }

    // This is the constructor that is used when pulling
    // an existing account from the database.
    public Customer(int accountNumber)
    {
        _accountNumber = accountNumber;
    }

    // This is a static method that generates the next account
    // number - It is static because regardless of the instance
    // of the class the number must be unique so it uses information
    // it knows about all customer accounts
    protected static int GenerateNextAccountNumber()
    {
        return _nextAccountNumber++;
    }

    // This is a non-static property that returns the account
    // number of this customer only.
    public int AccountNumber
    {
        get
        {
            return _accountNumber;
        }
    }
}

EuroCPian Spring 2004 Get Together[^]
"You can have everything in life you want if you will just help enough other people get what they want." --Zig Ziglar

public void PaintObject()
{
   if (true == this.DesignMode)   DrawRectArountControl();
   else   DoUsualDrawing(); 
}