获取此属性的类型。
public:
abstract property Type ^ PropertyType { Type ^ get(); };
public abstract Type PropertyType { get; }
member this.PropertyType : Type
Public MustOverride ReadOnly Property PropertyType As Type
属性值
Type
此属性的类型。
实现
PropertyType
示例
以下示例定义一个具有五个 Employee 属性的类。 然后，它使用 检索表示这些属性的对象 PropertyInfo 数组，并显示每个属性的名称和类型。
using System;
using System.Reflection;
public class Employee
{
private string _id;
public String FirstName { get; set; }
public String MiddleName { get; set; }
public String LastName { get; set; }
public DateTime HireDate { get; set; }
public String ID
{
get { return _id; }
set {
if (ID.Trim().Length != 9)
throw new ArgumentException("The ID is invalid");
_id = value;
}
}
}
public class Example
{
public static void Main()
{
Type t = typeof(Employee);
Console.WriteLine("The {0} type has the following properties: ",
t.Name);
foreach (var prop in t.GetProperties())
Console.WriteLine(" {0} ({1})", prop.Name,
prop.PropertyType.Name);
}
}
// The example displays the following output:
// The Employee type has the following properties:
// FirstName (String)
// MiddleName (String)
// LastName (String)
// HireDate (DateTime)
// ID (String)
Imports System.Reflection
Public Class Employee
Private _id As String
Public Property FirstName As String = String.Empty
Public Property MiddleName As String = String.Empty
Public Property LastName As String = String.Empty
Public Property HireDate As Date = Date.Today
Public Property ID As String
Get
Return _id
End Get
Set
If ID.Trim().Length <> 9 Then _
Throw New ArgumentException("The ID is invalid")
_id = value
End Set
End Property
End Class
Module Example
Public Sub Main()
Dim t As Type = GetType(Employee)
Console.WriteLine("The {0} type has the following properties: ",
t.Name)
For Each prop In t.GetProperties()
Console.WriteLine(" {0} ({1})", prop.Name,
prop.PropertyType.Name)
Next
End Sub
End Module
' The example displays the following output:
' The Employee type has the following properties:
' FirstName (String)
' MiddleName (String)
' LastName (String)
' HireDate (DateTime)
' ID (String)
注解
若要确定特定属性的类型，请执行以下操作：
获取一个 Type 对象，该对象表示 (包含 属性的类或结构) 的类型。 如果使用对象 (类型的实例) ，则可以调用其 GetType 方法。 否则，可以使用 C# 运算符或 Visual Basic GetType 运算符，如示例所示。
获取一个 PropertyInfo 对象，该对象表示你感兴趣的属性。 为此，可以从 方法获取所有属性Type.GetProperties的数组，然后循环访问数组中的元素，也可以通过调用 Type.GetProperty 方法并指定属性名称来直接检索PropertyInfo表示该属性的对象。
从 PropertyInfo 对象中检索 属性的值PropertyType。
适用于