Control.OnInit(EventArgs) Método

Definición

Genera el evento Init.Raises the Init event.

protected:
 virtual void OnInit(EventArgs ^ e);
protected public:
 virtual void OnInit(EventArgs ^ e);
protected virtual void OnInit (EventArgs e);
protected internal virtual void OnInit (EventArgs e);
abstract member OnInit : EventArgs -> unit
override this.OnInit : EventArgs -> unit
Protected Overridable Sub OnInit (e As EventArgs)
Protected Friend Overridable Sub OnInit (e As EventArgs)

Parámetros

e
EventArgs

Objeto EventArgs que contiene los datos del evento.An EventArgs object that contains the event data.

Ejemplos

// Override the OnInit method to set _text to
// a default value if it is null.
[System.Security.Permissions.PermissionSet
    (System.Security.Permissions.SecurityAction.Demand, 
     Name="FullTrust")] 
protected override void OnInit(EventArgs e)
{
   base.OnInit(e);
   if ( _text == null)
        _text = "Here is some default text.";
}
' Override the OnInit method to set _text to 
' a default value if it is null.
<System.Security.Permissions.PermissionSetAttribute( _
  System.Security.Permissions.SecurityAction.Demand, _
    Name:="FullTrust")> _
Protected Overrides Sub OnInit(ByVal e As EventArgs)
    MyBase.OnInit(e)
    If _text Is Nothing Then
        _text = "Here is some default text."
    End If
End Sub

Comentarios

ASP.NET llama a este método para generar el Init evento.ASP.NET calls this method to raise the Init event. Si va a desarrollar un control personalizado, puede invalidar este método para proporcionar un procesamiento adicional.If you are developing a custom control, you can override this method in order to provide additional processing. Si invalida este método, llame al método del control base OnInit para notificar a los suscriptores al evento.If you override this method, call the base control's OnInit method to notify subscribers to the event.

Se aplica a

Consulte también