MultipleViewPattern.SupportedViewsProperty Campo

Riferimento

Definizione

Spazio dei nomi:: System.Windows.Automation

Assembly:: UIAutomationClient.dll

Importante

Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.

Identifica la proprietà che ottiene la raccolta di visualizzazioni specifica del controllo.

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

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

 staticval mutable SupportedViewsProperty : System.Windows.Automation.AutomationProperty

Public Shared ReadOnly SupportedViewsProperty As AutomationProperty

Valore del campo

AutomationProperty

Esempio

Nell'esempio seguente viene ottenuta una raccolta di identificatori integer che rappresenta le visualizzazioni correnti disponibili per un controllo che supporta MultipleViewPattern.

///--------------------------------------------------------------------
/// <summary>
/// Finds all automation elements that satisfy 
/// the specified condition(s).
/// </summary>
/// <param name="targetApp">
/// 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 targetApp)
{
    if (targetApp == null)
    {
        throw new ArgumentException("Root element cannot be null.");
    }

    PropertyCondition conditionSupportsMultipleView =
        new PropertyCondition(
        AutomationElement.IsMultipleViewPatternAvailableProperty, true);

    return targetApp.FindAll(
        TreeScope.Descendants, conditionSupportsMultipleView);
}

'/--------------------------------------------------------------------
'/ <summary>
'/ Finds all automation elements that satisfy 
'/ the specified condition(s).
'/ </summary>
'/ <param name="targetApp">
'/ 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 targetApp As AutomationElement) As AutomationElementCollection
    If targetApp Is Nothing Then
        Throw New ArgumentException("Root element cannot be null.")
    End If

    Dim conditionSupportsMultipleView As New PropertyCondition( _
    AutomationElement.IsMultipleViewPatternAvailableProperty, True)

    Return targetApp.FindAll( _
    TreeScope.Descendants, conditionSupportsMultipleView)

End Function 'FindAutomationElement

///--------------------------------------------------------------------
/// <summary>
/// Gets the collection of currently supported views from a target.
/// </summary>
/// <param name="multipleViewControl">
/// The current multiple view control.
/// </param>
/// <returns>
/// A collection of identifiers representing the supported views.
/// </returns>
///--------------------------------------------------------------------
private int[] GetSupportedViewsFromPattern(
    AutomationElement multipleViewControl)
{
    if (multipleViewControl == null)
    {
        throw new ArgumentNullException(
            "AutomationElement parameter must not be null.");
    }

    return multipleViewControl.GetCurrentPropertyValue(
        MultipleViewPattern.SupportedViewsProperty) as int[];
}

'/--------------------------------------------------------------------
'/ <summary>
'/ Gets the collection of currently supported views from a target.
'/ </summary>
'/ <param name="multipleViewControl">
'/ The current multiple view control.
'/ </param>
'/ <returns>
'/ A collection of identifiers representing the supported views.
'/ </returns>
'/--------------------------------------------------------------------
Private Function GetSupportedViewsFromPattern( _
ByVal multipleViewControl As AutomationElement) As Integer()
    If multipleViewControl Is Nothing Then
        Throw New ArgumentNullException( _
        "AutomationElement parameter must not be null.")
    End If

    Return DirectCast(multipleViewControl.GetCurrentPropertyValue( _
    MultipleViewPattern.SupportedViewsProperty), Integer())
End Function 'GetSupportedViewsProperty

Commenti

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

Questa proprietà non è presente in MultipleViewPattern.MultipleViewPatternInformation e deve essere recuperata tramite GetCurrentPropertyValue o GetCachedPropertyValue.

Si applica a

Share via