Control.VisibleChanged Evento
Definición
public:
event EventHandler ^ VisibleChanged;
public event EventHandler VisibleChanged;
member this.VisibleChanged : EventHandler
Public Custom Event VisibleChanged As EventHandler
Tipo de evento
Ejemplos
En el ejemplo de código siguiente VisibleChanged se provoca el evento cuando el Visible valor de propiedad del Label 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 Visible se 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.