Control.CreateControlCollection Control.CreateControlCollection Control.CreateControlCollection Control.CreateControlCollection Method

Definición

Crea un nuevo objeto ControlCollection que contendrá los controles secundarios (de literal y servidor) del control de servidor.Creates a new ControlCollection object to hold the child controls (both literal and server) of the server control.

protected:
 virtual System::Web::UI::ControlCollection ^ CreateControlCollection();
protected virtual System.Web.UI.ControlCollection CreateControlCollection ();
abstract member CreateControlCollection : unit -> System.Web.UI.ControlCollection
override this.CreateControlCollection : unit -> System.Web.UI.ControlCollection
Protected Overridable Function CreateControlCollection () As ControlCollection

Devoluciones

Objeto ControlCollection que va a contener los controles de servidor secundarios del control de servidor actual.A ControlCollection object to contain the current server control's child server controls.

Ejemplos

En el ejemplo de código siguiente se invalida CreateControlCollection el método para crear una instancia de CustomControlCollection una clase, que hereda de la ControlCollection clase.The following code example overrides the CreateControlCollection method to create an instance of a CustomControlCollection class, which inherits from the ControlCollection class.

// Override the CreateControlCollection method to 
// write to the Trace object when tracing is enabled
// for the page or application in which this control
// is included.   
protected override ControlCollection CreateControlCollection()
{
	return new CustomControlCollection(this);
}
' Override the CreateControlCollection method to 
' write to the Trace object when tracing is enabled
' for the page or application in which this control
' is included.   
Protected Overrides Function CreateControlCollection() As ControlCollection
    Return New CustomControlCollection(Me)
End Function

En el ejemplo de código siguiente CreateControlCollection se usa el método en una invalidación CreateChildControls de un control de servidor personalizado del método.The following code example uses the CreateControlCollection method in a custom server control override of the CreateChildControls method. La nueva colección se crea y, a continuación, se rellena con dos firstControl controles secondControlsecundarios, y.The new collection is created, and then populated with two child controls, firstControl and secondControl.


protected override void CreateChildControls()
{               
   // Creates a new ControlCollection. 
   this.CreateControlCollection();

   // Create child controls.
    ChildControl firstControl = new ChildControl();
   firstControl.Message = "FirstChildControl";

   ChildControl secondControl = new ChildControl();
   secondControl.Message = "SecondChildControl";
   
   Controls.Add(firstControl);
   Controls.Add(secondControl);

   // Prevent child controls from being created again.
   ChildControlsCreated = true;
}

Protected Overrides Sub CreateChildControls()
   ' Creates a new ControlCollection. 
   Me.CreateControlCollection()
   
   ' Create child controls.
   Dim firstControl As New ChildControl()
   firstControl.Message = "FirstChildControl"
   
   Dim secondControl As New ChildControl()
   secondControl.Message = "SecondChildControl"
   
   Controls.Add(firstControl)
   Controls.Add(secondControl)
   
   ' Prevent child controls from being created again.
   ChildControlsCreated = True
End Sub 'CreateChildControls


Comentarios

Invalide este método en un control de servidor personalizado si ha creado un objeto de colección que se ControlCollection deriva de la clase.Override this method in a custom server control if you have created a collection object that is derived from the ControlCollection class. Después, puede crear una instancia de esa clase de colección en la invalidación de este método.You can then instantiate that collection class in the override of this method.

Se aplica a

Consulte también: