Control.VisibleChanged Control.VisibleChanged Control.VisibleChanged Control.VisibleChanged Event

Definición

Se produce cuando cambia el valor de la propiedad Visible.Occurs when the Visible property value changes.

public:
 event EventHandler ^ VisibleChanged;
public event EventHandler VisibleChanged;
member this.VisibleChanged : EventHandler 
Public Custom Event VisibleChanged As EventHandler 

Ejemplos

En el ejemplo de código siguiente VisibleChanged se provoca el Visible evento cuando el valor Label de propiedad del control ha cambiado.The following code example raises the VisibleChanged event when the Visible property value of the Label control has changed.

private:
   void Button_HideLabel( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      myLabel->Visible = false;
   }

   void AddVisibleChangedEventHandler()
   {
      myLabel->VisibleChanged += gcnew EventHandler( this, &MyForm::Label_VisibleChanged );
   }

   void Label_VisibleChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      MessageBox::Show( "Visible change event raised!!!" );
   }
private void Button_HideLabel(object sender, EventArgs e)
{
   myLabel.Visible = false;
}

private void AddVisibleChangedEventHandler()
{
   myLabel.VisibleChanged += new EventHandler(this.Label_VisibleChanged);
}

private void Label_VisibleChanged(object sender, EventArgs e)
{
   MessageBox.Show("Visible change event raised!!!");
}
Private Sub Button_HideLabel(ByVal sender As Object, ByVal e As EventArgs)
   myLabel.Visible = False
End Sub


Private Sub AddVisibleChangedEventHandler()
   AddHandler myLabel.VisibleChanged, AddressOf Label_VisibleChanged
End Sub


Private Sub Label_VisibleChanged(ByVal sender As Object, ByVal e As EventArgs)
   MessageBox.Show("Visible change event raised!!!")
End Sub

Comentarios

Este evento se desencadena si se Visible cambia la propiedad mediante una modificación mediante programación o una interacción del usuario.This event is raised if the Visible property is changed by either a programmatic modification or user interaction.

Para obtener más información sobre el manejo de eventos, consulte controlar y provocar eventos.For more information about handling events, see Handling and Raising Events.

Se aplica a

Consulte también: