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    <p>There is nothing stopping you having a reference in the CarCustomer to the CustomCar object as well. This would then give you a one to one reference between the object. Were you instaiate this object is up to you in the Constructor of the CustomCar</p> <pre><code>public CustomCar(arguments) { this.Customer.CustomCar = this; } </code></pre> <p>Or you could set it in the sets on the property accessors up to you. Try this </p> <pre><code>public class CustomCar { private string name; private string plateno; private double cost; private CarCustomer _customer = new CarCustomer(); public string Name { get { return name; } set { name = value; } } public double Cost { get { return cost; } set { cost = value; } } public string PlateNo { get { return plateno; } set { plateno = value; } } public CarCustomer Customer { get { return _customer; } set { _customer = value; } } public CustomCar() { Console.WriteLine("I am in custom car"); } public CustomCar(string name, string pno, double c, string customerName, double n, double bc) { this.Name = name; this.PlateNo = pno; this.Cost = c; this.Customer.Name1 = customerName; this.Customer.Nic1 = n; this.Customer.BargainCost = bc; this.Customer.Car = this; } public double finalCost() { if (this.Customer.BargainCost &lt; 10000) { double FinalCost = (this.Cost - this.Customer.BargainCost); return FinalCost; } else { return this.Cost; } } public void show() { Console.WriteLine(this.name + this.PlateNo + this.Customer.Name1 + this.Customer.Nic1); } } public class CarCustomer { private string name1; private double Nic; private double bargainCost; private CustomCar customer; public double BargainCost { get { return bargainCost; } set { bargainCost = value; } } public double Nic1 { get { return Nic; } set { Nic = value; } } public string Name1 { get { return name1; } set { name1 = value; } } public CustomCar Car { get{return customer;} set{customer = value;} } public CarCustomer() { Console.WriteLine("I have a customer"); } public CarCustomer(string n1, double i1, double bc) { this.Name1 = n1; this.Nic = i1; this.BargainCost = bc; } public void showCustomer() { Console.WriteLine("Customer name: " + Name1); Console.WriteLine("Customer NIC: " + Nic1); } } </code></pre>
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    1. POHow can the attributes of outer class can be accesed within the inner class in Composition Classes design?
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    1. USRichard Forrest
    1. USRichard Forrest
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    1. VO
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    1. COFeanz: this is giving a compile error! .. not the right solution!
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      1. USSana.91
    2. CO@Sana.91 what compile error? I assume you did not just copy and paste it.
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      1. USRichard Forrest
    3. COi tried to do above thing in both ctors .. the comiler is not sensing customer.customcar thru its intelliSens and is giving error
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      1. USSana.91
 

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