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 se muestra el SizeChanged eventos.The following code example demonstrates the SizeChanged event. Una instancia de un Button control ha sido siempre que se puede escalar horizontal y verticalmente.An instance of a Button control has been provided that can be scaled both horizontally and vertically. Un NumericUpDown instancia proporciona el valor de escala horizontal y vertical.A NumericUpDown instance provides the horizontal and vertical scale value. El Button instancia denominada Aceptar se usa para establecer los valores de escala para el Button instancia del control.The Button instance named OK is used to set the scale values for the Button control instance. Cada vez que cambia el tamaño del control, el controlador de eventos asociado con el SizeChanged se llama 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 ha cambiado el tamaño del control.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 'RegisterEventHandler

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 'MyButton2_Click

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

Comentarios

Es preferible usar el Layout eventos para controlar los diseños personalizados.It is preferable to use the Layout event to handle custom layouts. El Layout evento se genera en respuesta a Resize eventos, sino también en otras condiciones al diseño posible que deba aplicarse.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 el Size propiedad se modifica mediante programación o 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: