ToolStripDropDown.KeyUp Evento

Definición

Se produce cuando se suelta una tecla mientras el control tiene el foco.Occurs when a key is released while the control has focus.

public:
 event System::Windows::Forms::KeyEventHandler ^ KeyUp;
[System.ComponentModel.Browsable(false)]
public event System.Windows.Forms.KeyEventHandler KeyUp;
member this.KeyUp : System.Windows.Forms.KeyEventHandler 
Public Custom Event KeyUp As KeyEventHandler 
Atributos

Ejemplos

En el ejemplo de código siguiente se muestra el uso de este miembro.The following code example demonstrates the use of this member. En el ejemplo, un controlador de eventos informa sobre la aparición del KeyUp evento.In the example, an event handler reports on the occurrence of the KeyUp event. Este informe le ayuda a saber cuándo se produce el evento y puede ayudarle a depurar.This report helps you to learn when the event occurs and can assist you in debugging. Para notificar varios eventos o eventos que se producen con frecuencia, considere MessageBox.Show la Console.WriteLine posibilidad de reemplazar por o anexar el TextBoxmensaje a una multilínea.To report on multiple events or on events that occur frequently, consider replacing MessageBox.Show with Console.WriteLine or appending the message to a multiline TextBox.

Para ejecutar el código de ejemplo, péguelo en un proyecto que contenga una instancia de ToolStripDropDown tipo ToolStripDropDown1denominada.To run the example code, paste it into a project that contains an instance of type ToolStripDropDown named ToolStripDropDown1. A continuación, asegúrese de que el controlador de eventos KeyUp está asociado al evento.Then ensure that the event handler is associated with the KeyUp event.

private void ToolStripDropDown1_KeyUp(Object sender, KeyEventArgs e) {

System.Text.StringBuilder messageBoxCS = new System.Text.StringBuilder();
messageBoxCS.AppendFormat("{0} = {1}", "Alt", e.Alt );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Control", e.Control );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Handled", e.Handled );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "KeyCode", e.KeyCode );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "KeyValue", e.KeyValue );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "KeyData", e.KeyData );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Modifiers", e.Modifiers );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "Shift", e.Shift );
messageBoxCS.AppendLine();
messageBoxCS.AppendFormat("{0} = {1}", "SuppressKeyPress", e.SuppressKeyPress );
messageBoxCS.AppendLine();
MessageBox.Show(messageBoxCS.ToString(), "KeyUp Event" );
}
Private Sub ToolStripDropDown1_KeyUp(sender as Object, e as KeyEventArgs) _ 
     Handles ToolStripDropDown1.KeyUp

    Dim messageBoxVB as New System.Text.StringBuilder()
    messageBoxVB.AppendFormat("{0} = {1}", "Alt", e.Alt)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Control", e.Control)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Handled", e.Handled)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "KeyCode", e.KeyCode)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "KeyValue", e.KeyValue)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "KeyData", e.KeyData)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Modifiers", e.Modifiers)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "Shift", e.Shift)
    messageBoxVB.AppendLine()
    messageBoxVB.AppendFormat("{0} = {1}", "SuppressKeyPress", e.SuppressKeyPress)
    messageBoxVB.AppendLine()
    MessageBox.Show(messageBoxVB.ToString(),"KeyUp Event")

End Sub

Comentarios

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