MultipleViewPattern.CurrentViewProperty Champ

Définition

Espace de noms:

System.Windows.Automation

Assembly:

UIAutomationClient.dll

Identifie la propriété CurrentView.

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

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

 staticval mutable CurrentViewProperty : System.Windows.Automation.AutomationProperty

Public Shared ReadOnly CurrentViewProperty As AutomationProperty 

Valeur de champ

AutomationProperty

Exemples

Dans l’exemple suivant, un entier est obtenu qui représente la vue actuelle pour un contrôle qui prend en charge 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 current view identifier from a target.
/// </summary>
/// <param name="multipleViewControl">
/// The current multiple view control.
/// </param>
/// <returns>
/// The current view identifier.
/// </returns>
///--------------------------------------------------------------------
private int GetCurrentViewProperty(
    AutomationElement multipleViewControl)
{
    if (multipleViewControl == null)
    {
        throw new ArgumentNullException(
            "AutomationElement parameter must not be null.");
    }

    return (int)multipleViewControl.GetCurrentPropertyValue(
        MultipleViewPattern.CurrentViewProperty);
}

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

    Return Fix(multipleViewControl.GetCurrentPropertyValue( _
    MultipleViewPattern.CurrentViewProperty))

End Function 'GetCurrentViewProperty

Remarques

Cet identificateur est utilisé par les applications clientes UI Automation. UI Automation fournisseurs doivent utiliser le champ équivalent dans MultipleViewPatternIdentifiers.