Control.ImeModeChanged Control.ImeModeChanged Control.ImeModeChanged Control.ImeModeChanged Event

Definición

Espacio de nombres:
System.Windows.Forms System.Windows.Forms System.Windows.Forms System.Windows.Forms
Assembly:
System.Windows.Forms.dll

Se produce cuando ha cambiado la propiedad ImeMode.Occurs when the ImeMode property has changed.

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

Ejemplos

El ejemplo de código siguiente es un controlador de eventos que se ejecuta cuando el Text cambios de valor de propiedad.The following code example is an event handler that is executed when the Text property value changes. El Control clase tiene varios métodos con el patrón de nombre PropertyName Changed que se genera cuando correspondiente PropertyName cambia el valor ( PropertyName representa el nombre de la propiedad correspondiente).The Control class has several methods with the name pattern PropertyNameChanged that are raised when the corresponding PropertyName value changes (PropertyName represents the name of the corresponding property).

El siguiente código de ejemplo se cambia el ForeColor de un TextBox muestra datos de moneda.The following code example changes the ForeColor of a TextBox displaying currency data. El ejemplo convierte el texto de un número decimal y los cambios en el ForeColor a Color.Red si el número es negativo y a Color.Black si el número es positivo.The example converts the text to a decimal number and changes the ForeColor to Color.Red if the number is negative and to Color.Black if the number is positive. En este ejemplo requiere que haya un Form que contiene un TextBox.This example requires that you have a Form that contains a TextBox. 

private:
   void currencyTextBox_TextChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      try
      {
         // Convert the text to a Double and determine if it is a negative number.
         if ( Double::Parse( currencyTextBox->Text ) < 0 )
         {
            // If the number is negative, display it in Red.
            currencyTextBox->ForeColor = Color::Red;
         }
         else
         {
            // If the number is not negative, display it in Black.
            currencyTextBox->ForeColor = Color::Black;
         }
      }
      catch ( Exception^ ) 
      {
         // If there is an error, display the text using the system colors.
         currencyTextBox->ForeColor = SystemColors::ControlText;
      }
   }

private void currencyTextBox_TextChanged(object sender, EventArgs e)
{
   try
   {
      // Convert the text to a Double and determine if it is a negative number.
      if(double.Parse(currencyTextBox.Text) < 0)
      {
         // If the number is negative, display it in Red.
         currencyTextBox.ForeColor = Color.Red;
      }
      else
      {
         // If the number is not negative, display it in Black.
         currencyTextBox.ForeColor = Color.Black;
      }
   }
   catch
   {
      // If there is an error, display the text using the system colors.
      currencyTextBox.ForeColor = SystemColors.ControlText;
   }
}

Private Sub currencyTextBox_TextChanged(sender As Object, _ 
  e As EventArgs) Handles currencyTextBox.TextChanged
   Try
      ' Convert the text to a Double and determine if it is a negative number.
      If Double.Parse(currencyTextBox.Text) < 0 Then
         ' If the number is negative, display it in Red.
         currencyTextBox.ForeColor = Color.Red
      Else
         ' If the number is not negative, display it in Black.
         currencyTextBox.ForeColor = Color.Black
      End If
   Catch
      ' If there is an error, display the text using the system colors.
      currencyTextBox.ForeColor = SystemColors.ControlText
   End Try
End Sub

Comentarios

Este evento se desencadena si el ImeMode se cambia la propiedad mediante programación o a través de la interacción.This event is raised if the ImeMode property is changed by either a programmatic modification or through interaction.

Los controles que no admiten administradores del método de entrada, nunca producen este evento.Controls that do not support Input Method Managers will never raise this event.

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: