MultipleViewPattern.MultipleViewPatternInformation.CurrentView Eigenschaft

Definition

Namespace:

System.Windows.Automation

Assembly:

UIAutomationClient.dll

Ruft die aktuelle steuerelementspezifische Ansicht ab.

public:
 property int CurrentView { int get(); };

public int CurrentView { get; }

member this.CurrentView : int

Public ReadOnly Property CurrentView As Integer

Eigenschaftswert

Int32

Der Ganzzahlwert für die aktuelle Ansicht des AutomationElement. Der Standardwert ist 0.

Beispiele

Im folgenden Beispiel wird ein ganzzahliger Bezeichner abgerufen, der die aktuelle Ansicht für ein Steuerelement darstellt, das unterstützt MultipleViewPattern.

///--------------------------------------------------------------------
/// <summary>
/// Obtains a MultipleViewPattern control pattern from an 
/// automation element.
/// </summary>
/// <param name="targetControl">
/// The automation element of interest.
/// </param>
/// <returns>
/// A MultipleViewPattern object.
/// </returns>
///--------------------------------------------------------------------
private MultipleViewPattern GetMultipleViewPattern(
    AutomationElement targetControl)
{
    MultipleViewPattern multipleViewPattern = null;

    try
    {
        multipleViewPattern =
            targetControl.GetCurrentPattern(
            MultipleViewPattern.Pattern)
            as MultipleViewPattern;
    }
    // Object doesn't support the MultipleViewPattern control pattern
    catch (InvalidOperationException)
    {
        return null;
    }

    return multipleViewPattern;
}

'/--------------------------------------------------------------------
'/ <summary>
'/ Obtains a MultipleViewPattern control pattern from an 
'/ automation element.
'/ </summary>
'/ <param name="targetControl">
'/ The automation element of interest.
'/ </param>
'/ <returns>
'/ A MultipleViewPattern object.
'/ </returns>
'/--------------------------------------------------------------------
Private Function GetMultipleViewPattern( _
ByVal targetControl As AutomationElement) As MultipleViewPattern
    Dim multipleViewPattern As MultipleViewPattern = Nothing

    Try
        multipleViewPattern = DirectCast( _
        targetControl.GetCurrentPattern(multipleViewPattern.Pattern), _
        MultipleViewPattern)
    Catch exc As InvalidOperationException
        'Object doesn't support the MultipleViewPattern control pattern
        Return Nothing
    End Try

    Return multipleViewPattern
End Function 'GetMultipleViewPattern

///--------------------------------------------------------------------
/// <summary>
/// Gets the current view identifier from a target.
/// </summary>
/// <param name="multipleViewPattern">
/// The control pattern of interest.
/// </param>
/// <returns>
/// The current view identifier.
/// </returns>
///--------------------------------------------------------------------
private int GetCurrentViewFromPattern(
    MultipleViewPattern multipleViewPattern)
{
    if (multipleViewPattern == null)
    {
        throw new ArgumentNullException(
            "MultipleViewPattern parameter must not be null.");
    }

    return multipleViewPattern.Current.CurrentView;
}

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

    Return multipleViewPattern.Current.CurrentView

End Function 'GetCurrentViewFromPattern

Hinweise

Die Auflistung der Ansichtsbezeichner ist instanzübergreifend identisch.