Type.TypeHandle Properti

Definisi

Ruang nama:

System

Rakitan:

netstandard.dll, System.Runtime.dll

Sumber:

Type.cs

Mendapatkan handel untuk saat ini Type.

public:
 virtual property RuntimeTypeHandle TypeHandle { RuntimeTypeHandle get(); };

public virtual RuntimeTypeHandle TypeHandle { get; }

member this.TypeHandle : RuntimeTypeHandle

Public Overridable ReadOnly Property TypeHandle As RuntimeTypeHandle

Nilai Properti

RuntimeTypeHandle

Handel untuk saat ini Type.

Pengecualian

NotSupportedException

Kerangka Kerja Ringkas .NET saat ini tidak mendukung properti ini.

Contoh

Contoh berikut mengembalikan handel jenis yang sesuai dan meneruskan handel ke metode yang mendapatkan jenis dari handel dan menampilkannya.

using System;
using System.Reflection;
class MyClass
{
    public int myField = 10;
}

class Type_TypeHandle
{
    public static void Main()
    {
        try
        {
            MyClass myClass = new MyClass();

            // Get the type of MyClass.
            Type myClassType = myClass.GetType();

            // Get the runtime handle of MyClass.
            RuntimeTypeHandle myClassHandle = myClassType.TypeHandle;

            DisplayTypeHandle(myClassHandle);
        }
        catch(Exception e)
        {
            Console.WriteLine("Exception: {0}", e.Message );
        }
    }

    public static void DisplayTypeHandle(RuntimeTypeHandle myTypeHandle)
    {
        // Get the type from the handle.
        Type myType = Type.GetTypeFromHandle(myTypeHandle);
        // Display the type.
        Console.WriteLine("\nDisplaying the type from the handle:\n");
        Console.WriteLine("The type is {0}.", myType.ToString());
    }
}

open System

type MyClass() =
    let myField = 10

let displayTypeHandle (myTypeHandle: RuntimeTypeHandle) =
    // Get the type from the handle.
    let myType = Type.GetTypeFromHandle myTypeHandle
    // Display the type.
    printfn $"\nDisplaying the type from the handle:\n"
    printfn $"The type is {myType}."

let myClass = MyClass()

// Get the type of MyClass.
let myClassType = myClass.GetType()

// Get the runtime handle of MyClass.
let myClassHandle = myClassType.TypeHandle

displayTypeHandle myClassHandle

Imports System.Reflection

Class [MyClass]
    Public myField As Integer = 10
End Class
Class Type_TypeHandle
    Public Shared Sub Main()
        Try
            Dim [myClass] As New [MyClass]()

            ' Get the type of MyClass.
            Dim myClassType As Type = [myClass].GetType()

            ' Get the runtime handle of MyClass.
            Dim myClassHandle As RuntimeTypeHandle = myClassType.TypeHandle

            DisplayTypeHandle(myClassHandle)
        Catch e As Exception
            Console.WriteLine("Exception: {0}", e.Message.ToString())
        End Try
    End Sub

    Public Shared Sub DisplayTypeHandle(ByVal myTypeHandle As RuntimeTypeHandle)
        ' Get the type from the handle.
        Dim myType As Type = Type.GetTypeFromHandle(myTypeHandle)
        ' Display the type.
        Console.WriteLine(ControlChars.NewLine + "Displaying the type from the handle:" + ControlChars.NewLine)
        Console.WriteLine("The type is {0}.", myType.ToString())
    End Sub
End Class

Keterangan

TypeHandle merangkum penunjuk ke struktur data internal yang mewakili jenisnya. Handel ini unik selama masa pakai proses. Handel hanya valid di domain aplikasi tempat handel diperoleh.

Lihat juga

• RuntimeTypeHandle
• GetTypeHandle(Object)
• GetTypeFromHandle(RuntimeTypeHandle)