Control.Focused Control.Focused Control.Focused Control.Focused Property

Definición

Obtiene un valor que indica si el control tiene el foco de entrada.Gets a value indicating whether the control has input focus.

public:
 virtual property bool Focused { bool get(); };
[System.ComponentModel.Browsable(false)]
public virtual bool Focused { get; }
member this.Focused : bool
Public Overridable ReadOnly Property Focused As Boolean

Valor de propiedad

true si el control tiene foco; en caso contrario, false.true if the control has focus; otherwise, false.

Ejemplos

En el ejemplo de código siguiente MenuItem se deshabilita TextBox un si no tiene el foco.The following code example disables a MenuItem if a TextBox does not have focus. Este ejemplo requiere que Form tenga un TextBox con nombre textBox1 y dos MenuItem objetos denominados menuItemEdit y menuItemEditInsertCustomerInfo.This example requires that you have a Form with a TextBox named textBox1 and two MenuItem objects named menuItemEdit and menuItemEditInsertCustomerInfo.

private:
   void menuItemEdit_Popup( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      // Disable the menu item if the text box does not have focus.
      this->menuItemEditInsertCustomerInfo->Enabled = this->textBox1->Focused;
   }
private void menuItemEdit_Popup(object sender, EventArgs e)
{
   // Disable the menu item if the text box does not have focus.
   this.menuItemEditInsertCustomerInfo.Enabled = this.textBox1.Focused;
}
Private Sub menuItemEdit_Popup(sender As Object, _
  e As EventArgs) Handles menuItemEdit.Popup
   ' Disable the menu item if the text box does not have focus.
   Me.menuItemEditInsertCustomerInfo.Enabled = Me.textBox1.Focused
End Sub

Notas a los desarrolladores de herederos

Al reemplazar la Focused propiedad en una clase derivada, utilice la propiedad de Focused la clase base para extender la implementación base.When overriding the Focused property in a derived class, use the base class's Focused property to extend the base implementation. De lo contrario, debe proporcionar toda la implementación.Otherwise, you must provide all the implementation.

Se aplica a

Consulte también: