TogglePattern.TogglePatternInformation.ToggleState Propiedad

Definición

Recupera el estado de alternancia de AutomationElement.Retrieves the toggle state of the AutomationElement.

public:
 property System::Windows::Automation::ToggleState ToggleState { System::Windows::Automation::ToggleState get(); };
public System.Windows.Automation.ToggleState ToggleState { get; }
member this.ToggleState : System.Windows.Automation.ToggleState
Public ReadOnly Property ToggleState As ToggleState

Valor de propiedad

ToggleState del objeto AutomationElement.The ToggleState of the AutomationElement. El valor predeterminado es Indeterminate.The default value is Indeterminate.

Ejemplos

En el ejemplo siguiente, se pasa un elemento raíz a una función que devuelve una colección de elementos de automatización que son descendientes de la raíz y satisfacen un conjunto de condiciones de propiedad.In the following example, a root element is passed to a function that returns a collection of automation elements that are descendants of the root and satisfy a set of property conditions.

///--------------------------------------------------------------------
/// <summary>
/// Finds all automation elements that satisfy 
/// the specified condition(s).
/// </summary>
/// <param name="rootElement">
/// The automation element from which to start searching.
/// </param>
/// <returns>
/// A collection of automation elements satisfying 
/// the specified condition(s).
/// </returns>
///--------------------------------------------------------------------
private AutomationElementCollection FindAutomationElement(
    AutomationElement rootElement)
{
    if (rootElement == null)
    {
        throw new ArgumentException("Root element cannot be null.");
    }

    PropertyCondition conditionOn =
        new PropertyCondition(
        TogglePattern.ToggleStateProperty, ToggleState.On);

    PropertyCondition conditionIndeterminate =
        new PropertyCondition(
        TogglePattern.ToggleStateProperty, ToggleState.Indeterminate);

    // Use any combination of the preceding condtions to 
    // find the control(s) of interest
    OrCondition condition = new OrCondition(
        conditionOn,
        conditionIndeterminate);

    return rootElement.FindAll(TreeScope.Descendants, condition);
}
'''--------------------------------------------------------------------
''' <summary>
''' Finds all automation elements that satisfy 
''' the specified condition(s).
''' </summary>
''' <param name="rootElement">
''' The automation element from which to start searching.
''' </param>
''' <returns>
''' A collection of automation elements satisfying 
''' the specified condition(s).
''' </returns>
'''--------------------------------------------------------------------
Private Function FindAutomationElement( _
ByVal rootElement As AutomationElement) As AutomationElementCollection
    If rootElement Is Nothing Then
        Throw New ArgumentException("Root element cannot be null.")
    End If

    Dim conditionOn As New PropertyCondition( _
    TogglePattern.ToggleStateProperty, ToggleState.On)

    Dim conditionIndeterminate As New PropertyCondition( _
    TogglePattern.ToggleStateProperty, ToggleState.Indeterminate)

    ' Use any combination of the preceding condtions to 
    ' find the control(s) of interest
    Dim condition As OrCondition = _
    New OrCondition(conditionOn, conditionIndeterminate)

    Return rootElement.FindAll(TreeScope.Descendants, condition)

End Function 'FindAutomationElement    

Comentarios

Un AutomationElement debe recorrer su ToggleState en este orden: On, Off y, si se admite, Indeterminate.An AutomationElement must cycle through its ToggleState in this order: On, Off and, if supported, Indeterminate.

Se aplica a