CodeAttachEventStatement Classe

Definição

public ref class CodeAttachEventStatement : System::CodeDom::CodeStatement

[System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDispatch)]
[System.Runtime.InteropServices.ComVisible(true)]
[System.Serializable]
public class CodeAttachEventStatement : System.CodeDom.CodeStatement

[<System.Runtime.InteropServices.ClassInterface(System.Runtime.InteropServices.ClassInterfaceType.AutoDispatch)>]
[<System.Runtime.InteropServices.ComVisible(true)>]
[<System.Serializable>]
type CodeAttachEventStatement = class
    inherit CodeStatement

Public Class CodeAttachEventStatement
Inherits CodeStatement

Herança

Object

CodeObject

CodeStatement

CodeAttachEventStatement

Atributos

ClassInterfaceAttribute ComVisibleAttribute SerializableAttribute

Exemplos

O seguinte exemplo de código demonstra a utilização de a CodeAttachEventStatement para anexar um gestor de eventos a um evento.

// Defines a delegate creation expression that creates an EventHandler delegate pointing to a method named TestMethod.
CodeDelegateCreateExpression createDelegate1 = new CodeDelegateCreateExpression(
new CodeTypeReference( "System.EventHandler" ), new CodeThisReferenceExpression(), "TestMethod" );
// Attaches an EventHandler delegate pointing to TestMethod to the TestEvent event.
CodeAttachEventStatement attachStatement1 = new CodeAttachEventStatement( new CodeThisReferenceExpression(), "TestEvent", createDelegate1 );

// A C# code generator produces the following source code for the preceeding example code:

//     this.TestEvent += new System.EventHandler(this.TestMethod);

' Defines a delegate creation expression that creates an EventHandler delegate pointing to TestMethod.
Dim createDelegate1 As New CodeDelegateCreateExpression(New CodeTypeReference("System.EventHandler"), New CodeThisReferenceExpression(), "TestMethod")

' Attaches an EventHandler delegate pointing to TestMethod to the TestEvent event.
Dim attachStatement1 As New CodeAttachEventStatement(New CodeThisReferenceExpression(), "TestEvent", createDelegate1)

' A Visual Basic code generator produces the following source code for the preceeding example code:

'     AddHandler TestEvent, AddressOf Me.TestMethod

Observações

CodeAttachEventStatement pode ser usado para representar uma instrução que adiciona um delegado handler de eventos para um evento. A Event propriedade indica o evento a anexar o gestor de eventos. A Listener propriedade indica o gestor de eventos a anexar.