TogglePattern.ToggleStateProperty Campo

Definizione

Spazio dei nomi:

System.Windows.Automation

Assembly:

UIAutomationClient.dll

Identifica la proprietà ToggleState.

public: static initonly System::Windows::Automation::AutomationProperty ^ ToggleStateProperty;

public static readonly System.Windows.Automation.AutomationProperty ToggleStateProperty;

 staticval mutable ToggleStateProperty : System.Windows.Automation.AutomationProperty

Public Shared ReadOnly ToggleStateProperty As AutomationProperty 

Valore del campo

AutomationProperty

Esempio

Nell'esempio seguente viene passato un elemento radice a una funzione che restituisce una raccolta di elementi di automazione discendenti della radice e soddisfa un set di condizioni di proprietà.

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

Commenti

Questo identificatore viene usato dalle applicazioni client Automazione interfaccia utente. Automazione interfaccia utente provider devono usare il campo equivalente in TogglePatternIdentifiers.

Un AutomationElement deve eseguire il ciclo ToggleState in questo ordine: One Off , se supportato, Indeterminate.