C#编程之自动实现的属性

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在 C# 3.0 及更高版本，当属性访问器中不需要任何其他逻辑时，自动实现的属性会使属性声明更加简洁。它们还允许客户端代码创建对象。当你声明以下示例中所示的属性时，编译器将创建仅可以通过该属性的get 和 set 访问器访问的专用、匿名支持字段。

下列示例演示一个简单的类，它具有某些自动实现的属性：

// This class is mutable. Its data can be modified from// outside the class.class Customer{    // Auto-Impl Properties for trivial get and set    public double TotalPurchases { get; set; }    public string Name { get; set; }    public int CustomerID { get; set; }    // Constructor    public Customer(double purchases, string name, int ID)    {        TotalPurchases = purchases;        Name = name;        CustomerID = ID;    }    // Methods    public string GetContactInfo() {return "ContactInfo";}    public string GetTransactionHistory() {return "History";}    // .. Additional methods, events, etc.}class Program{    static void Main()    {        // Intialize a new object.        Customer cust1 = new Customer ( 4987.63, "Northwind",90108 );        //Modify a property        cust1.TotalPurchases += 499.99;    }}

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