SelectionItemPattern.SelectionItemPatternInformation.SelectionContainer Vlastnost

Definice

Obor názvů:

System.Windows.Automation

Sestavení:

UIAutomationClient.dll

AutomationElement Získá, který podporuje SelectionPattern řídicí vzor a funguje jako kontejner pro volající objekt.

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

Hodnota vlastnosti

AutomationElement

Objekt kontejneru. Výchozí hodnota je odkaz na hodnotu null (Nothingv Visual Basic).

Příklady

Následující příklad ukazuje, jak načíst reprezentaci AutomationElement kontejneru výběru položky výběru.

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