TogglePattern.TogglePatternInformation.ToggleState Propriedade

Definição

Namespace:

System.Windows.Automation

Assembly:

UIAutomationClient.dll

Recupera o estado de alternância do 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 da propriedade

ToggleState

O ToggleState do AutomationElement. O valor padrão é Indeterminate.

Exemplos

No exemplo a seguir, um elemento raiz é passado para uma função que retorna uma coleção de elementos de automação que são descendentes da raiz e atendem a um conjunto de condições de propriedade.

///--------------------------------------------------------------------
/// <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

Comentários

Um AutomationElement ciclo deve ser percorrido ToggleState nesta ordem: Off One, se houver suporte, Indeterminate.