TogglePattern.Toggle Méthode
Définition
Important
Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.
Parcourt les états bascule de AutomationElement.
public:
void Toggle();
public void Toggle ();
member this.Toggle : unit -> unit
Public Sub Toggle ()
Exemples
Dans l’exemple suivant, un TogglePattern modèle de contrôle est obtenu à partir d’un AutomationElement et est ensuite utilisé pour basculer le AutomationElement.
///--------------------------------------------------------------------
/// <summary>
/// Obtains a TogglePattern control pattern from an automation element.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// A TogglePattern object.
/// </returns>
///--------------------------------------------------------------------
private TogglePattern GetTogglePattern(AutomationElement targetControl)
{
TogglePattern togglePattern = null;
try
{
togglePattern =
targetControl.GetCurrentPattern(TogglePattern.Pattern)
as TogglePattern;
}
catch (InvalidOperationException)
{
// object doesn't support the TogglePattern control pattern
return null;
}
return togglePattern;
}
'''--------------------------------------------------------------------
''' <summary>
''' Obtains a TogglePattern control pattern from an automation element.
''' </summary>
''' <param name="targetControl">
''' The automation element of interest.
''' </param>
''' <returns>
''' A TogglePattern object.
''' </returns>
'''--------------------------------------------------------------------
Private Function GetTogglePattern( _
ByVal targetControl As AutomationElement) As TogglePattern
Dim togglePattern As TogglePattern = Nothing
Try
togglePattern = DirectCast( _
targetControl.GetCurrentPattern(togglePattern.Pattern), _
TogglePattern)
Catch
' object doesn't support the TogglePattern control pattern
Return Nothing
End Try
Return togglePattern
End Function 'GetTogglePattern
///--------------------------------------------------------------------
/// <summary>
/// Calls the TogglePattern.Toggle() method for an associated
/// automation element.
/// </summary>
/// <param name="togglePattern">
/// The TogglePattern control pattern obtained from
/// an automation element.
/// </param>
///--------------------------------------------------------------------
private void ToggleElement(TogglePattern togglePattern)
{
try
{
togglePattern.Toggle();
}
catch (InvalidOperationException)
{
// object is not able to perform the requested action
return;
}
}
'''--------------------------------------------------------------------
''' <summary>
''' Calls the TogglePattern.Toggle() method for an associated
''' automation element.
''' </summary>
''' <param name="togglePattern">
''' The TogglePattern control pattern obtained from
''' an automation element.
''' </param>
'''--------------------------------------------------------------------
Private Sub ToggleElement(ByVal togglePattern As TogglePattern)
Try
togglePattern.Toggle()
Catch
' object is not able to perform the requested action
Return
End Try
End Sub
Remarques
Un contrôle effectue un cycle dans cet ToggleState ordre : OnOff et, s’il est pris en charge, Indeterminate