SelectionItemPattern.SelectionItemPatternInformation.SelectionContainer Özellik

Tanım

Ad Alanı:

System.Windows.Automation

Bütünleştirilmiş Kod:

UIAutomationClient.dll

Denetim desenini AutomationElement SelectionPattern destekleyen ve çağıran nesne için kapsayıcı işlevi gören öğesini alır.

public:
 property System::Windows::Automation::AutomationElement ^ SelectionContainer { System::Windows::Automation::AutomationElement ^ get(); };

public System.Windows.Automation.AutomationElement SelectionContainer { get; }

member this.SelectionContainer : System.Windows.Automation.AutomationElement

Public ReadOnly Property SelectionContainer As AutomationElement

Özellik Değeri

AutomationElement

Kapsayıcı nesnesi. Varsayılan değer null başvurudur (NothingVisual Basic).

Örnekler

Aşağıdaki örnek, bir seçim öğesinin AutomationElement seçim kapsayıcısını temsil eden öğesinin nasıl alınıp alınıp alınamını gösterir.

///--------------------------------------------------------------------
/// <summary>
/// Retrieves the selection container for a selection item.
/// </summary>
/// <param name="selectionItem">
/// An automation element that supports SelectionItemPattern.
/// </param>
///--------------------------------------------------------------------
private AutomationElement GetSelectionItemContainer(
    AutomationElement selectionItem)
{
    // Selection item cannot be null
    if (selectionItem == null)
    {
        throw new ArgumentException();
    }

    SelectionItemPattern selectionItemPattern = 
        selectionItem.GetCurrentPattern(SelectionItemPattern.Pattern) 
        as SelectionItemPattern;
    if (selectionItemPattern == null)
    {
        return null;
    }
    else
    {
        return selectionItemPattern.Current.SelectionContainer; 
    }
}

'''--------------------------------------------------------------------
''' <summary>
''' Retrieves the selection container for a selection item.
''' </summary>
''' <param name="selectionItem">
''' An automation element that supports SelectionItemPattern.
''' </param>
'''--------------------------------------------------------------------
Private Function GetSelectionItemContainer( _
ByVal selectionItem As AutomationElement) As AutomationElement
    ' Selection item cannot be null
    If selectionItem Is Nothing Then
        Throw New ArgumentException()
    End If

    Dim selectionItemPattern As SelectionItemPattern = _
    DirectCast(selectionItem.GetCurrentPattern( _
    selectionItemPattern.Pattern), SelectionItemPattern)
    If selectionItemPattern Is Nothing Then
        Return Nothing
    Else
        Return selectionItemPattern.Current.SelectionContainer
    End If
End Function 'GetSelectionItemContainer