Control.SizeChanged Control.SizeChanged Control.SizeChanged Control.SizeChanged Event

Definición

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

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

Ejemplos

En el ejemplo de código siguiente SizeChanged se muestra el evento.The following code example demonstrates the SizeChanged event. Se ha proporcionado una Button instancia de un control que se puede escalar horizontal y verticalmente.An instance of a Button control has been provided that can be scaled both horizontally and vertically. Una NumericUpDown instancia de proporciona el valor de escala horizontal y vertical.A NumericUpDown instance provides the horizontal and vertical scale value. La Button instancia denominada OK se usa para establecer los valores de escala de Button la instancia del control.The Button instance named OK is used to set the scale values for the Button control instance. Siempre que cambia el tamaño del control, se llama al controlador de eventos SizeChanged asociado al evento del control.Whenever the size of the control changes, the event handler associated with the SizeChanged event of the control is called. Este controlador de eventos muestra un cuadro de mensaje que indica que el tamaño del control ha cambiado.This event handler displays a message box indicating that the size of the control has changed.

private:
   void RegisterEventHandler()
   {
      myButton1->SizeChanged += gcnew EventHandler( this, &MyForm::MyButton1_SizeChanged );
   }

   void MyButton2_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      // Set the scale for the control to the value provided.
      float scale = (float)myNumericUpDown1->Value;
      myButton1->Scale( scale );
   }

   void MyButton1_SizeChanged( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      MessageBox::Show( "The size of the 'Button' control has changed" );
   }
private void RegisterEventHandler()
{
   myButton1.SizeChanged += new EventHandler(this.MyButton1_SizeChanged);
}

private void MyButton2_Click(object sender, System.EventArgs e)
{
   // Set the scale for the control to the value provided.
   float scale = (float)myNumericUpDown1.Value;
   myButton1.Scale(scale);
}

private void MyButton1_SizeChanged(object sender, System.EventArgs e)
{
   MessageBox.Show("The size of the 'Button' control has changed");
}
Private Sub RegisterEventHandler()
   AddHandler myButton1.SizeChanged, AddressOf MyButton1_SizeChanged
End Sub

Private Sub MyButton2_Click(sender As Object, e As EventArgs) 
   ' Set the scale for the control to the value provided.
   Dim scale As Single = CSng(myNumericUpDown1.Value)
   myButton1.Scale(scale)
End Sub

Private Sub MyButton1_SizeChanged(sender As Object, e As EventArgs)
   MessageBox.Show("The size of the 'Button' control has changed")
End Sub

Comentarios

Es preferible utilizar el evento para Layout controlar los diseños personalizados.It is preferable to use the Layout event to handle custom layouts. El Layout evento se produce en respuesta a Resize eventos, pero también en otras condiciones cuando es posible que sea necesario aplicar el diseño.The Layout event is raised in response to Resize events, but also in other conditions when layout might need to be applied.

Este evento se desencadena si se Size cambia la propiedad mediante una modificación mediante programación o una interacción del usuario.This event is raised if the Size 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: