XmlIncludeAttribute(Type) 构造函数
定义
重要
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初始化 XmlIncludeAttribute 类的新实例。
public:
XmlIncludeAttribute(Type ^ type);public XmlIncludeAttribute(Type type);public XmlIncludeAttribute(Type? type);new System.Xml.Serialization.XmlIncludeAttribute : Type -> System.Xml.Serialization.XmlIncludeAttributePublic Sub New (type As Type)参数
示例
下面的示例演示三个类，其中两个类继承自第三个类。 该示例将应用于 XmlIncludeAttribute 返回两个派生类之一的实例的方法。 该示例将 Type 属性设置为返回的对象的类型。
public class Vehicle{}
public class Car:Vehicle{}
public class Truck:Vehicle{}
public class Sample
{
[WebMethodAttribute]
[XmlInclude(typeof(Car))]
[XmlInclude(typeof(Truck))]
public Vehicle ReturnVehicle(int i){
if(i == 0)
return new Car();
else
return new Truck();
}
}
Public Class Vehicle
End Class
Public Class Car
Inherits Vehicle
End Class
Public Class Truck
Inherits Vehicle
End Class
Public Class Sample
<WebMethod(), _
XmlInclude(GetType(Car)), _
XmlInclude(GetType(Truck))> _
Public Function ReturnVehicle(i As Integer) As Vehicle
If i = 0 Then
Return New Car()
Else
Return New Truck()
End If
End Function
End Class
