using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DemoMoreTypesMembers
{
    // Note, this is a partial class. A partial class can contain partial methods.
    public partial class SavingsAccount
    {
        // Use auto-implemented properties (they have a backing field automatically, and the get/set code is generated by the compiler).
        public string Name { get; set; }
        public double Balance { get; set; }

        // Constructors.
        public SavingsAccount()
        { }

        public SavingsAccount(string name, double balance)
        {
            Name = name;
            Balance = balance;
        }

        // A business method.
        public void Withdraw(double amount)
        {
            // Call a partial method (might not actually exist).
            OnWithdrawing(amount);

            if (amount > Balance )
                amount = Balance;
            
            Balance -= amount;
            
            // Call another partial method (might not actually exist).
            OnWithdrawn(amount);
        }

        // Partial methods (may, or may not, be implemented in another "partial" part of this class.
        partial void OnWithdrawing(double amount);

        partial void OnWithdrawn(double amount);

        // Return a string representation of account.
        public override string ToString()
        {
            return string.Format("{0}, balance {1:c}", Name, Balance);
        }
    }
}